168 (one hundred sixty-eight) is a natural number. It comes after 167 and before 169.

In mathematics

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  • Even number: 168 is even, so it can be divided by 2.
  • Divisors: It has several divisors, including 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, and 168.
  • Prime factorization: 168=2^3×3×7
  • Hours in a week: There are 168 hours in one week (24 hours × 7 days).
  • Group theory: In higher mathematics, 168 is the number of elements (order) in a special group called PSL(2, 7).