6311295664 has 40 divisors (see below), whose sum is σ = 12889108080. Its totient is φ = 2985523200.

The previous prime is 6311295659. The next prime is 6311295677. The reversal of 6311295664 is 4665921136.

It is a self number, because there is not a number n which added to its sum of digits gives 6311295664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217704 + ... + 244984.

It is an arithmetic number, because the mean of its divisors is an integer number (322227702).

Almost surely, 2^6311295664 is an apocalyptic number.

It is an amenable number.

6311295664 is an abundant number, since it is smaller than the sum of its proper divisors (6577812416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6311295664 is a wasteful number, since it uses less digits than its factorization.

6311295664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069 (or 28063 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 6311295664 is about 79443.6634603415. The cubic root of 6311295664 is about 1848.0179077242.

The spelling of 6311295664 in words is "six billion, three hundred eleven million, two hundred ninety-five thousand, six hundred sixty-four".