316665975385 has 16 divisors (see below), whose sum is σ = 381208438800. Its totient is φ = 252527063040.

The previous prime is 316665975247. The next prime is 316665975391. The reversal of 316665975385 is 583579566613.

It can be written as a sum of positive squares in 8 ways, for example, as 77775727689 + 238890247696 = 278883^2 + 488764^2 .

It is not a de Polignac number, because 316665975385 - 2¹⁹ = 316665451097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5837949 + ... + 5891941.

It is an arithmetic number, because the mean of its divisors is an integer number (23825527425).

Almost surely, 2^316665975385 is an apocalyptic number.

It is an amenable number.

316665975385 is a deficient number, since it is larger than the sum of its proper divisors (64542463415).

316665975385 is a wasteful number, since it uses less digits than its factorization.

316665975385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57708.

The product of its digits is 122472000, while the sum is 64.

The spelling of 316665975385 in words is "three hundred sixteen billion, six hundred sixty-five million, nine hundred seventy-five thousand, three hundred eighty-five".