316618380668 has 24 divisors (see below), whose sum is σ = 559809997824. Its totient is φ = 156680406000.

The previous prime is 316618380571. The next prime is 316618380679. The reversal of 316618380668 is 866083816613.

It is a happy number.

It is a super-2 number, since 2×316618380668² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803480 + ... + 1130847.

It is an arithmetic number, because the mean of its divisors is an integer number (23325416576).

Almost surely, 2^316618380668 is an apocalyptic number.

It is an amenable number.

316618380668 is a deficient number, since it is larger than the sum of its proper divisors (243191617156).

316618380668 is a wasteful number, since it uses less digits than its factorization.

316618380668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934753 (or 1934751 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 316618380668 in words is "three hundred sixteen billion, six hundred eighteen million, three hundred eighty thousand, six hundred sixty-eight".