2656651564 has 12 divisors (see below), whose sum is σ = 5313303184. Its totient is φ = 1138564944.

The previous prime is 2656651511. The next prime is 2656651601. The reversal of 2656651564 is 4651566562.

2656651564 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47440179 + ... + 47440234.

Almost surely, 2^2656651564 is an apocalyptic number.

It is an amenable number.

2656651564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2656651564 is a wasteful number, since it uses less digits than its factorization.

2656651564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94880424 (or 94880422 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The square root of 2656651564 is about 51542.7159160244. The cubic root of 2656651564 is about 1384.9843497647.

The spelling of 2656651564 in words is "two billion, six hundred fifty-six million, six hundred fifty-one thousand, five hundred sixty-four".