316166139 has 16 divisors (see below), whose sum is σ = 474813600. Its totient is φ = 207888768.

The previous prime is 316166113. The next prime is 316166159. The reversal of 316166139 is 931661613.

316166139 is a `hidden beast` number, since 3 + 1 + 616 + 6 + 1 + 39 = 666.

It is not a de Polignac number, because 316166139 - 2⁵ = 316166107 is a prime.

It is a super-2 number, since 2×316166139² = 199922054900334642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316166159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78234 + ... + 82175.

It is an arithmetic number, because the mean of its divisors is an integer number (29675850).

Almost surely, 2^316166139 is an apocalyptic number.

316166139 is a deficient number, since it is larger than the sum of its proper divisors (158647461).

316166139 is a wasteful number, since it uses less digits than its factorization.

316166139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160491 (or 160485 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 316166139 is about 17781.0612450438. The cubic root of 316166139 is about 681.2478090550.

The spelling of 316166139 in words is "three hundred sixteen million, one hundred sixty-six thousand, one hundred thirty-nine".