316616788417 has 2 divisors, whose sum is σ = 316616788418. Its totient is φ = 316616788416.

The previous prime is 316616788409. The next prime is 316616788421. The reversal of 316616788417 is 714887616613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206392124416 + 110224664001 = 454304^2 + 332001^2 .

It is a cyclic number.

It is not a de Polignac number, because 316616788417 - 2³ = 316616788409 is a prime.

It is not a weakly prime, because it can be changed into another prime (316616788447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158308394208 + 158308394209.

It is an arithmetic number, because the mean of its divisors is an integer number (158308394209).

Almost surely, 2^316616788417 is an apocalyptic number.

It is an amenable number.

316616788417 is a deficient number, since it is larger than the sum of its proper divisors (1).

316616788417 is an equidigital number, since it uses as much as digits as its factorization.

316616788417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 58.

The spelling of 316616788417 in words is "three hundred sixteen billion, six hundred sixteen million, seven hundred eighty-eight thousand, four hundred seventeen".