2653551656 has 32 divisors (see below), whose sum is σ = 5695842240. Its totient is φ = 1135304448.

The previous prime is 2653551631. The next prime is 2653551673. The reversal of 2653551656 is 6561553562.

2653551656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6746 + ... + 73161.

It is an arithmetic number, because the mean of its divisors is an integer number (177995070).

Almost surely, 2^2653551656 is an apocalyptic number.

It is an amenable number.

2653551656 is an abundant number, since it is smaller than the sum of its proper divisors (3042290584).

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

2653551656 is a wasteful number, since it uses less digits than its factorization.

2653551656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80513 (or 80509 counting only the distinct ones).

The product of its digits is 810000, while the sum is 44.

The square root of 2653551656 is about 51512.6358867414. The cubic root of 2653551656 is about 1384.4454514648.

The spelling of 2653551656 in words is "two billion, six hundred fifty-three million, five hundred fifty-one thousand, six hundred fifty-six".