318877160020 has 12 divisors (see below), whose sum is σ = 669642036084. Its totient is φ = 127550864000.

The previous prime is 318877159967. The next prime is 318877160029. The reversal of 318877160020 is 20061778813.

It can be written as a sum of positive squares in 2 ways, for example, as 37030844356 + 281846315664 = 192434^2 + 530892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318877160029) 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 3 ways as a sum of consecutive naturals, for example, 7971928981 + ... + 7971929020.

It is an arithmetic number, because the mean of its divisors is an integer number (55803503007).

Almost surely, 2^318877160020 is an apocalyptic number.

It is an amenable number.

318877160020 is an abundant number, since it is smaller than the sum of its proper divisors (350764876064).

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

318877160020 is a wasteful number, since it uses less digits than its factorization.

318877160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943858010 (or 15943858008 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 318877160020 in words is "three hundred eighteen billion, eight hundred seventy-seven million, one hundred sixty thousand, twenty".