316118166587633 has 2 divisors, whose sum is σ = 316118166587634. Its totient is φ = 316118166587632.

The previous prime is 316118166587627. The next prime is 316118166587651. The reversal of 316118166587633 is 336785661811613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201095287171249 + 115022879416384 = 14180807^2 + 10724872^2 .

It is a cyclic number.

It is not a de Polignac number, because 316118166587633 - 2⁴ = 316118166587617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316118166587633.

It is not a weakly prime, because it can be changed into another prime (316118166587233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158059083293816 + 158059083293817.

It is an arithmetic number, because the mean of its divisors is an integer number (158059083293817).

Almost surely, 2^{316118166587633} is an apocalyptic number.

It is an amenable number.

316118166587633 is a deficient number, since it is larger than the sum of its proper divisors (1).

316118166587633 is an equidigital number, since it uses as much as digits as its factorization.

316118166587633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 65.

The spelling of 316118166587633 in words is "three hundred sixteen trillion, one hundred eighteen billion, one hundred sixty-six million, five hundred eighty-seven thousand, six hundred thirty-three".