168 (one hundred [and] sixty-eight) is the natural number following 167 and preceding 169.
Mathematics
168 is a Dedekind number, and an idoneal numbers, and a Cunningham number.
Abstract algebra
168 is the order of 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 .
In other fields Numerology
Some Chinese consider 168 a lucky number, because 一六八 ("168") Mandarin is roughly homophonous with the phrase "一路發" Mandarin which means "fortune all the way", or, as the United States Mint claims, "Prosperity Forever".
References
External links
Number Facts and Trivia: 168 The Number 168 The Positive Integer 168 Prime curiosities: 168