2656006656 has 80 divisors (see below), whose sum is σ = 7448258400. Its totient is φ = 838729728.

The previous prime is 2656006603. The next prime is 2656006657. The reversal of 2656006656 is 6566006562.

It is not an unprimeable number, because it can be changed into a prime (2656006657) 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, 16321 + ... + 74688.

It is an arithmetic number, because the mean of its divisors is an integer number (93103230).

Almost surely, 2^2656006656 is an apocalyptic number.

It is an amenable number.

2656006656 is an abundant number, since it is smaller than the sum of its proper divisors (4792251744).

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

2656006656 is an equidigital number, since it uses as much as digits as its factorization.

2656006656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91049 (or 91033 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 2656006656 is about 51536.4594825838. The cubic root of 2656006656 is about 1384.8722713646.

The spelling of 2656006656 in words is "two billion, six hundred fifty-six million, six thousand, six hundred fifty-six".