318379668 has 12 divisors (see below), whose sum is σ = 742885920. Its totient is φ = 106126552.

The previous prime is 318379667. The next prime is 318379669. The reversal of 318379668 is 866973813.

It is an interprime number because it is at equal distance from previous prime (318379667) and next prime (318379669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×318379668² = 202731225991580448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 318379668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318379667) 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, 13265808 + ... + 13265831.

It is an arithmetic number, because the mean of its divisors is an integer number (61907160).

Almost surely, 2^318379668 is an apocalyptic number.

It is an amenable number.

318379668 is an abundant number, since it is smaller than the sum of its proper divisors (424506252).

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

318379668 is a wasteful number, since it uses less digits than its factorization.

318379668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26531646 (or 26531644 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 318379668 is about 17843.1966866927. The cubic root of 318379668 is about 682.8339542921.

The spelling of 318379668 in words is "three hundred eighteen million, three hundred seventy-nine thousand, six hundred sixty-eight".