5651055051656 has 128 divisors (see below), whose sum is σ = 12559510978560. Its totient is φ = 2333459059200.

The previous prime is 5651055051647. The next prime is 5651055051703. The reversal of 5651055051656 is 6561505501565.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 86758541 + ... + 86823651.

It is an arithmetic number, because the mean of its divisors is an integer number (98121179520).

Almost surely, 2^{5651055051656} is an apocalyptic number.

5651055051656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5651055051656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6279755489280).

5651055051656 is an abundant number, since it is smaller than the sum of its proper divisors (6908455926904).

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

5651055051656 is a wasteful number, since it uses less digits than its factorization.

5651055051656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65635 (or 65631 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 5651055051656 in words is "five trillion, six hundred fifty-one billion, fifty-five million, fifty-one thousand, six hundred fifty-six".