318861332616 has 16 divisors (see below), whose sum is σ = 797153331600. Its totient is φ = 106287110864.

The previous prime is 318861332567. The next prime is 318861332617. The reversal of 318861332616 is 616233168813.

It is a super-3 number, since 3×318861332616³ (a number of 35 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (318861332617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6642944406 + ... + 6642944453.

It is an arithmetic number, because the mean of its divisors is an integer number (49822083225).

Almost surely, 2^318861332616 is an apocalyptic number.

It is an amenable number.

318861332616 is an abundant number, since it is smaller than the sum of its proper divisors (478291998984).

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

318861332616 is a wasteful number, since it uses less digits than its factorization.

318861332616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285888868 (or 13285888864 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 318861332616 in words is "three hundred eighteen billion, eight hundred sixty-one million, three hundred thirty-two thousand, six hundred sixteen".