5621055644160 has 320 divisors, whose sum is σ = 21781593567360. Its totient is φ = 1362679971840.

The previous prime is 5621055644143. The next prime is 5621055644213. The reversal of 5621055644160 is 614465501265.

5621055644160 is a `hidden beast` number, since 5 + 6 + 21 + 0 + 5 + 564 + 4 + 1 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2936187 + ... + 4456826.

It is an arithmetic number, because the mean of its divisors is an integer number (68067479898).

Almost surely, 2^{5621055644160} is an apocalyptic number.

It is an amenable number.

5621055644160 is an abundant number, since it is smaller than the sum of its proper divisors (16160537923200).

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

5621055644160 is a wasteful number, since it uses less digits than its factorization.

5621055644160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393056 (or 7393034 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 5621055644160 in words is "five trillion, six hundred twenty-one billion, fifty-five million, six hundred forty-four thousand, one hundred sixty".