316656513 has 32 divisors (see below), whose sum is σ = 477523200. Its totient is φ = 207360000.

The previous prime is 316656493. The next prime is 316656523. The reversal of 316656513 is 315656613.

316656513 is a `hidden beast` number, since 31 + 66 + 56 + 513 = 666.

It is not a de Polignac number, because 316656513 - 2⁶ = 316656449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316656523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411393 + ... + 412161.

It is an arithmetic number, because the mean of its divisors is an integer number (14922600).

Almost surely, 2^316656513 is an apocalyptic number.

It is an amenable number.

316656513 is a deficient number, since it is larger than the sum of its proper divisors (160866687).

316656513 is a wasteful number, since it uses less digits than its factorization.

316656513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1024 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 316656513 is about 17794.8451243612. The cubic root of 316656513 is about 681.5998324675.

The spelling of 316656513 in words is "three hundred sixteen million, six hundred fifty-six thousand, five hundred thirteen".