318998668 has 12 divisors (see below), whose sum is σ = 559014400. Its totient is φ = 159280272.

The previous prime is 318998653. The next prime is 318998671. The reversal of 318998668 is 866899813.

318998668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 51468 + ... + 57331.

Almost surely, 2^318998668 is an apocalyptic number.

It is an amenable number.

318998668 is a deficient number, since it is larger than the sum of its proper divisors (240015732).

318998668 is a wasteful number, since it uses less digits than its factorization.

318998668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109536 (or 109534 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 318998668 is about 17860.5338106116. The cubic root of 318998668 is about 683.2761942043.

The spelling of 318998668 in words is "three hundred eighteen million, nine hundred ninety-eight thousand, six hundred sixty-eight".