318941692656 has 40 divisors (see below), whose sum is σ = 824059865424. Its totient is φ = 106297489920.

The previous prime is 318941692621. The next prime is 318941692703. The reversal of 318941692656 is 656296149813.

It is a self number, because there is not a number n which added to its sum of digits gives 318941692656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196471 + ... + 822486.

Almost surely, 2^318941692656 is an apocalyptic number.

It is an amenable number.

318941692656 is an abundant number, since it is smaller than the sum of its proper divisors (505118172768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318941692656 is a wasteful number, since it uses less digits than its factorization.

318941692656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025489 (or 1025483 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 60.

The spelling of 318941692656 in words is "three hundred eighteen billion, nine hundred forty-one million, six hundred ninety-two thousand, six hundred fifty-six".