2656521164244 has 12 divisors (see below), whose sum is σ = 6198549383264. Its totient is φ = 885507054744.

The previous prime is 2656521164197. The next prime is 2656521164273. The reversal of 2656521164244 is 4424611256562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2656521164193 and 2656521164202.

It is a congruent number.

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, 110688381832 + ... + 110688381855.

Almost surely, 2^{2656521164244} is an apocalyptic number.

It is an amenable number.

2656521164244 is an abundant number, since it is smaller than the sum of its proper divisors (3542028219020).

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

2656521164244 is a wasteful number, since it uses less digits than its factorization.

2656521164244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221376763694 (or 221376763692 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 2656521164244 in words is "two trillion, six hundred fifty-six billion, five hundred twenty-one million, one hundred sixty-four thousand, two hundred forty-four".