316516865 has 16 divisors (see below), whose sum is σ = 434373888. Its totient is φ = 216893376.

The previous prime is 316516859. The next prime is 316516873. The reversal of 316516865 is 568615613.

It is not a de Polignac number, because 316516865 - 2⁸ = 316516609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85799 + ... + 89411.

It is an arithmetic number, because the mean of its divisors is an integer number (27148368).

Almost surely, 2^316516865 is an apocalyptic number.

316516865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316516865 is a deficient number, since it is larger than the sum of its proper divisors (117857023).

316516865 is a wasteful number, since it uses less digits than its factorization.

316516865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its digits is 129600, while the sum is 41.

The square root of 316516865 is about 17790.9208586852. The cubic root of 316516865 is about 681.4996207815.

The spelling of 316516865 in words is "three hundred sixteen million, five hundred sixteen thousand, eight hundred sixty-five".