2311664764 has 24 divisors (see below), whose sum is σ = 4070521728. Its totient is φ = 1148678400.

The previous prime is 2311664759. The next prime is 2311664767. The reversal of 2311664764 is 4674661132.

It is a super-2 number, since 2×2311664764² = 10687587962238351392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311664767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558069 + ... + 562195.

It is an arithmetic number, because the mean of its divisors is an integer number (169605072).

Almost surely, 2^2311664764 is an apocalyptic number.

It is an amenable number.

2311664764 is a deficient number, since it is larger than the sum of its proper divisors (1758856964).

2311664764 is a wasteful number, since it uses less digits than its factorization.

2311664764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4963 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 2311664764 is about 48079.7749994735. The cubic root of 2311664764 is about 1322.2338903044.

The spelling of 2311664764 in words is "two billion, three hundred eleven million, six hundred sixty-four thousand, seven hundred sixty-four".