5564461646520 has 96 divisors (see below), whose sum is σ = 20668000410720. Its totient is φ = 1271876947200.

The previous prime is 5564461646503. The next prime is 5564461646551. The reversal of 5564461646520 is 256461644655.

5564461646520 is a `hidden beast` number, since 5 + 5 + 64 + 4 + 6 + 16 + 46 + 520 = 666.

It is a super-2 number, since 2×5564461646520² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104057331 + ... + 1104062370.

It is an arithmetic number, because the mean of its divisors is an integer number (215291670945).

Almost surely, 2^{5564461646520} is an apocalyptic number.

It is an amenable number.

5564461646520 is an abundant number, since it is smaller than the sum of its proper divisors (15103538764200).

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

5564461646520 is a wasteful number, since it uses less digits than its factorization.

5564461646520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208119725 (or 2208119718 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 5564461646520 in words is "five trillion, five hundred sixty-four billion, four hundred sixty-one million, six hundred forty-six thousand, five hundred twenty".