316640716571 has 32 divisors (see below), whose sum is σ = 343348761600. Its totient is φ = 291109230720.

The previous prime is 316640716547. The next prime is 316640716573. The reversal of 316640716571 is 175617046613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316640716571 is a prime.

It is a super-2 number, since 2×316640716571² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316640716573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168514610 + ... + 168516488.

It is an arithmetic number, because the mean of its divisors is an integer number (10729648800).

Almost surely, 2^316640716571 is an apocalyptic number.

316640716571 is a deficient number, since it is larger than the sum of its proper divisors (26708045029).

316640716571 is a wasteful number, since it uses less digits than its factorization.

316640716571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 316640716571 in words is "three hundred sixteen billion, six hundred forty million, seven hundred sixteen thousand, five hundred seventy-one".