2656215056 has 40 divisors (see below), whose sum is σ = 5622655008. Its totient is φ = 1205568000.

The previous prime is 2656215017. The next prime is 2656215061. The reversal of 2656215056 is 6505126562.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110696 + ... + 132536.

Almost surely, 2^2656215056 is an apocalyptic number.

It is an amenable number.

2656215056 is an abundant number, since it is smaller than the sum of its proper divisors (2966439952).

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

2656215056 is a wasteful number, since it uses less digits than its factorization.

2656215056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551 (or 22545 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2656215056 is about 51538.4813125106. The cubic root of 2656215056 is about 1384.9084911324.

It can be divided in two parts, 2656 and 215056, that added together give a palindrome (217712).

The spelling of 2656215056 in words is "two billion, six hundred fifty-six million, two hundred fifteen thousand, fifty-six".