316688961 has 32 divisors (see below), whose sum is σ = 457228800. Its totient is φ = 194539520.

The previous prime is 316688923. The next prime is 316688969. The reversal of 316688961 is 169886613.

It is a cyclic number.

It is not a de Polignac number, because 316688961 - 2¹⁰ = 316687937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316688961.

It is not an unprimeable number, because it can be changed into a prime (316688969) 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, 166705 + ... + 168593.

It is an arithmetic number, because the mean of its divisors is an integer number (14288400).

Almost surely, 2^316688961 is an apocalyptic number.

It is an amenable number.

316688961 is a deficient number, since it is larger than the sum of its proper divisors (140539839).

316688961 is a wasteful number, since it uses less digits than its factorization.

316688961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its digits is 373248, while the sum is 48.

The square root of 316688961 is about 17795.7568257155. The cubic root of 316688961 is about 681.6231129992.

The spelling of 316688961 in words is "three hundred sixteen million, six hundred eighty-eight thousand, nine hundred sixty-one".