168 (one hundred [and] sixty-eight) is the natural number following 167 and preceding 169.
168 is an even number, a composite number, an abundant number, and an idoneal number.
There are 168 primes less than 1000. 168 is the product of the first two perfect numbers.
168 is the order of the group PSL(2,7), the second smallest nonabelian simple group.
From Hurwitz's automorphisms theorem, 168 is the maximum possible number of automorphisms of a genus 3 Riemann surface, this maximum being achieved by the Klein quartic, whose symmetry group is PSL(2,7). The Fano plane has 168 symmetries.
168 is the sum of four consecutive prime numbers: 37 + 41 + 43 + 47.
168P/Hergenrother is a periodic comet in our solar system168 Sibylla is a dark Main belt asteroidI-168 was an Imperial Japanese Navy Kaidai-class submarine during World War IIUSNS Catawba (T-ATF-168) is a United States Navy fleet tugboatUSS Amick (DE-168) was a United States Navy Cannon class destroyer escort during World War IIUSS Charlevoix (AK-168) was a United States Navy Alamosa-class cargo ship during World War IIUSS Gage (APA-168) was a United States Navy Haskell-class attack transport during World War IIUSS Maddox (DD-168) was a United States Navy Wickes class destroyer during World War IUSS Nautilus (SS-168) was a United States Navy Narwhal class submarine during World War IIUSS Southland (IX-168) was a United States Navy steamer during World War IIUSS War Hawk (AP-168) was a LaSalle Class transport during World War IIThe 168 Film Project in Los AngelesNew York City Subway stations168th Street (New York City Subway); a subway station complex at 168th Street and Broadway consisting of:168th Street (IRT Broadway – Seventh Avenue Line); serving the 1 train168th Street (IND Eighth Avenue Line); serving the A C trains168th Street (BMT Jamaica Line); was the former terminal of the BMT Jamaica Line in QueensBritish Rail Class 168VASP Flight 168 from Rio de Janeiro, Brazil to Fortaleza; crashed on June 8, 1982168 is also:
The year AD 168 or 168 BC168 AH is a year in the Islamic calendar that corresponds to 784 – 785 CEThe number of hours in a week, or 7 x 24 hoursIn the game of dominoes, tiles are marked with a number of spots, or pips. The Double 6 set (28 tiles) totals 168 pipsTracy 168, a New York City graffiti artistMinuscule 168 is a Greek minuscule manuscript of the New TestamentSome Chinese consider 168 a lucky number, because it is roughly homophonous with the phrase "一路發", which means "fortune all the way"