315664618904179 has 2 divisors, whose sum is σ = 315664618904180. Its totient is φ = 315664618904178.

The previous prime is 315664618904149. The next prime is 315664618904249. The reversal of 315664618904179 is 971409816466513.

It is an a-pointer prime, because the next prime (315664618904249) can be obtained adding 315664618904179 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315664618904179 - 2⁷ = 315664618904051 is a prime.

It is not a weakly prime, because it can be changed into another prime (315664618904149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157832309452089 + 157832309452090.

It is an arithmetic number, because the mean of its divisors is an integer number (157832309452090).

Almost surely, 2^{315664618904179} is an apocalyptic number.

315664618904179 is a deficient number, since it is larger than the sum of its proper divisors (1).

315664618904179 is an equidigital number, since it uses as much as digits as its factorization.

315664618904179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 315664618904179 in words is "three hundred fifteen trillion, six hundred sixty-four billion, six hundred eighteen million, nine hundred four thousand, one hundred seventy-nine".