316106637617 has 2 divisors, whose sum is σ = 316106637618. Its totient is φ = 316106637616.

The previous prime is 316106637599. The next prime is 316106637659. The reversal of 316106637617 is 716736601613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239002676641 + 77103960976 = 488879^2 + 277676^2 .

It is a cyclic number.

It is not a de Polignac number, because 316106637617 - 2²² = 316102443313 is a prime.

It is not a weakly prime, because it can be changed into another prime (316106637697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158053318808 + 158053318809.

It is an arithmetic number, because the mean of its divisors is an integer number (158053318809).

Almost surely, 2^316106637617 is an apocalyptic number.

It is an amenable number.

316106637617 is a deficient number, since it is larger than the sum of its proper divisors (1).

316106637617 is an equidigital number, since it uses as much as digits as its factorization.

316106637617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 316106637617 in words is "three hundred sixteen billion, one hundred six million, six hundred thirty-seven thousand, six hundred seventeen".