311664668475 has 12 divisors (see below), whose sum is σ = 515285585336. Its totient is φ = 166221156480.

The previous prime is 311664668461. The next prime is 311664668527. The reversal of 311664668475 is 574866466113.

It is not a de Polignac number, because 311664668475 - 2⁷ = 311664668347 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 2077764382 + ... + 2077764531.

Almost surely, 2^311664668475 is an apocalyptic number.

311664668475 is a deficient number, since it is larger than the sum of its proper divisors (203620916861).

311664668475 is a wasteful number, since it uses less digits than its factorization.

311664668475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155528926 (or 4155528921 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 311664668475 in words is "three hundred eleven billion, six hundred sixty-four million, six hundred sixty-eight thousand, four hundred seventy-five".