6636256056 has 192 divisors, whose sum is σ = 19473592320. Its totient is φ = 2035630080.

The previous prime is 6636256021. The next prime is 6636256057. The reversal of 6636256056 is 6506526366.

6636256056 is a `hidden beast` number, since 6 + 6 + 36 + 2 + 5 + 605 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636256057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13193101 + ... + 13193603.

It is an arithmetic number, because the mean of its divisors is an integer number (101424960).

Almost surely, 2^6636256056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6636256056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9736796160).

6636256056 is an abundant number, since it is smaller than the sum of its proper divisors (12837336264).

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

6636256056 is a wasteful number, since it uses less digits than its factorization.

6636256056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The square root of 6636256056 is about 81463.2190377964. The cubic root of 6636256056 is about 1879.2059472961.

The spelling of 6636256056 in words is "six billion, six hundred thirty-six million, two hundred fifty-six thousand, fifty-six".