318425664 has 56 divisors (see below), whose sum is σ = 862116640. Its totient is φ = 103670784.

The previous prime is 318425651. The next prime is 318425669. The reversal of 318425664 is 466524813.

It is not an unprimeable number, because it can be changed into a prime (318425669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11029 + ... + 27540.

It is an arithmetic number, because the mean of its divisors is an integer number (15394940).

Almost surely, 2^318425664 is an apocalyptic number.

It is an amenable number.

318425664 is an abundant number, since it is smaller than the sum of its proper divisors (543690976).

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

318425664 is a wasteful number, since it uses less digits than its factorization.

318425664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38627 (or 38617 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 318425664 is about 17844.4855347527. The cubic root of 318425664 is about 682.8668354937.

The spelling of 318425664 in words is "three hundred eighteen million, four hundred twenty-five thousand, six hundred sixty-four".