564881104445856 has 96 divisors (see below), whose sum is σ = 1620487277918208. Its totient is φ = 170872049283840.

The previous prime is 564881104445851. The next prime is 564881104445869. The reversal of 564881104445856 is 658544401188465.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (564881104445851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474472336 + ... + 475661391.

It is an arithmetic number, because the mean of its divisors is an integer number (16880075811648).

Almost surely, 2^{564881104445856} is an apocalyptic number.

It is an amenable number.

564881104445856 is an abundant number, since it is smaller than the sum of its proper divisors (1055606173472352).

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

564881104445856 is a wasteful number, since it uses less digits than its factorization.

564881104445856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950134314 (or 950134306 counting only the distinct ones).

The product of its (nonzero) digits is 589824000, while the sum is 69.

The spelling of 564881104445856 in words is "five hundred sixty-four trillion, eight hundred eighty-one billion, one hundred four million, four hundred forty-five thousand, eight hundred fifty-six".