564206521465616 has 40 divisors (see below), whose sum is σ = 1140699781702080. Its totient is φ = 269832844029056.

The previous prime is 564206521465541. The next prime is 564206521465633. The reversal of 564206521465616 is 616564125602465.

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 7 ways as a sum of consecutive naturals, for example, 5329415 + ... + 34011993.

It is an arithmetic number, because the mean of its divisors is an integer number (28517494542552).

Almost surely, 2^{564206521465616} is an apocalyptic number.

It is an amenable number.

564206521465616 is an abundant number, since it is smaller than the sum of its proper divisors (576493260236464).

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

564206521465616 is a wasteful number, since it uses less digits than its factorization.

564206521465616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28736063 (or 28736057 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 59.

The spelling of 564206521465616 in words is "five hundred sixty-four trillion, two hundred six billion, five hundred twenty-one million, four hundred sixty-five thousand, six hundred sixteen".