158168 has 16 divisors (see below), whose sum is σ = 314280. Its totient is φ = 74368.

The previous prime is 158161. The next prime is 158189. The reversal of 158168 is 861851.

158168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 158168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158161) by changing a digit.

158168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 717.

2¹⁵⁸¹⁶⁸ is an apocalyptic number.

It is an amenable number.

158168 is a deficient number, since it is larger than the sum of its proper divisors (156112).

158168 is a wasteful number, since it uses less digits than its factorization.

158168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1182 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 158168 is about 397.7034070762. The cubic root of 158168 is about 54.0803559026.

The spelling of 158168 in words is "one hundred fifty-eight thousand, one hundred sixty-eight".