318860904657 has 16 divisors (see below), whose sum is σ = 430559440640. Its totient is φ = 209868527232.

The previous prime is 318860904629. The next prime is 318860904673. The reversal of 318860904657 is 756409068813.

It is not a de Polignac number, because 318860904657 - 2⁷ = 318860904529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 318860904597 and 318860904606.

It is not an unprimeable number, because it can be changed into a prime (318860904457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165743 + ... + 4241595.

It is an arithmetic number, because the mean of its divisors is an integer number (26909965040).

Almost surely, 2^318860904657 is an apocalyptic number.

It is an amenable number.

318860904657 is a deficient number, since it is larger than the sum of its proper divisors (111698535983).

318860904657 is a wasteful number, since it uses less digits than its factorization.

318860904657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93672.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 318860904657 in words is "three hundred eighteen billion, eight hundred sixty million, nine hundred four thousand, six hundred fifty-seven".