318674187668 has 24 divisors (see below), whose sum is σ = 576936811080. Its totient is φ = 153835606400.

The previous prime is 318674187647. The next prime is 318674187679. The reversal of 318674187668 is 866781476813.

It can be written as a sum of positive squares in 4 ways, for example, as 6206603524 + 312467584144 = 78782^2 + 558988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163730 + ... + 3262902.

It is an arithmetic number, because the mean of its divisors is an integer number (24039033795).

Almost surely, 2^318674187668 is an apocalyptic number.

It is an amenable number.

318674187668 is a deficient number, since it is larger than the sum of its proper divisors (258262623412).

318674187668 is a wasteful number, since it uses less digits than its factorization.

318674187668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126907 (or 126905 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 318674187668 in words is "three hundred eighteen billion, six hundred seventy-four million, one hundred eighty-seven thousand, six hundred sixty-eight".