318845661696 has 120 divisors (see below), whose sum is σ = 942654877164. Its totient is φ = 103689584640.

The previous prime is 318845661661. The next prime is 318845661707. The reversal of 318845661696 is 696166548813.

318845661696 is a `hidden beast` number, since 3 + 1 + 8 + 8 + 4 + 5 + 6 + 616 + 9 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 315772068096 + 3073593600 = 561936^2 + 55440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654901 + ... + 1032756.

Almost surely, 2^318845661696 is an apocalyptic number.

318845661696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

318845661696 is an abundant number, since it is smaller than the sum of its proper divisors (623809215468).

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

318845661696 is a wasteful number, since it uses less digits than its factorization.

318845661696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687722 (or 1687703 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 318845661696 in words is "three hundred eighteen billion, eight hundred forty-five million, six hundred sixty-one thousand, six hundred ninety-six".