157674986 has 32 divisors (see below), whose sum is σ = 277074432. Its totient is φ = 65902320.

The previous prime is 157674961. The next prime is 157674997. The reversal of 157674986 is 689476751.

It is a super-2 number, since 2×157674986² = 49722802420200392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99581 + ... + 101151.

It is an arithmetic number, because the mean of its divisors is an integer number (8658576).

Almost surely, 2^157674986 is an apocalyptic number.

157674986 is a deficient number, since it is larger than the sum of its proper divisors (119399446).

157674986 is a wasteful number, since it uses less digits than its factorization.

157674986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its digits is 2540160, while the sum is 53.

The square root of 157674986 is about 12556.8700717974. The cubic root of 157674986 is about 540.2410743447.

The spelling of 157674986 in words is "one hundred fifty-seven million, six hundred seventy-four thousand, nine hundred eighty-six".