318688116 has 12 divisors (see below), whose sum is σ = 743605632. Its totient is φ = 106229368.

The previous prime is 318688081. The next prime is 318688147. The reversal of 318688116 is 611886813.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13278660 + ... + 13278683.

It is an arithmetic number, because the mean of its divisors is an integer number (61967136).

Almost surely, 2^318688116 is an apocalyptic number.

It is an amenable number.

318688116 is an abundant number, since it is smaller than the sum of its proper divisors (424917516).

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

318688116 is a wasteful number, since it uses less digits than its factorization.

318688116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26557350 (or 26557348 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 318688116 is about 17851.8378885761. The cubic root of 318688116 is about 683.0543942354.

The spelling of 318688116 in words is "three hundred eighteen million, six hundred eighty-eight thousand, one hundred sixteen".