318856328604 has 120 divisors (see below), whose sum is σ = 910444284288. Its totient is φ = 96504838560.

The previous prime is 318856328603. The next prime is 318856328617. The reversal of 318856328604 is 406823658813.

318856328604 is a `hidden beast` number, since 3 + 1 + 8 + 8 + 5 + 6 + 3 + 28 + 604 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318856328603) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2878819 + ... + 2987525.

Almost surely, 2^318856328604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318856328604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455222142144).

318856328604 is an abundant number, since it is smaller than the sum of its proper divisors (591587955684).

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

318856328604 is a wasteful number, since it uses less digits than its factorization.

318856328604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109557 (or 109546 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 318856328604 in words is "three hundred eighteen billion, eight hundred fifty-six million, three hundred twenty-eight thousand, six hundred four".