316808681065 has 16 divisors (see below), whose sum is σ = 385329104640. Its totient is φ = 250027644160.

The previous prime is 316808681047. The next prime is 316808681081. The reversal of 316808681065 is 560186808613.

It is a de Polignac number, because none of the positive numbers 2^k-316808681065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110976 + ... + 1366705.

It is an arithmetic number, because the mean of its divisors is an integer number (24083069040).

Almost surely, 2^316808681065 is an apocalyptic number.

It is an amenable number.

316808681065 is a deficient number, since it is larger than the sum of its proper divisors (68520423575).

316808681065 is a wasteful number, since it uses less digits than its factorization.

316808681065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478032.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 316808681065 in words is "three hundred sixteen billion, eight hundred eight million, six hundred eighty-one thousand, sixty-five".