564523664 has 10 divisors (see below), whose sum is σ = 1093764630. Its totient is φ = 282261824.

The previous prime is 564523639. The next prime is 564523679. The reversal of 564523664 is 466325465.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 327610000 + 236913664 = 18100^2 + 15392^2 .

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 as a sum of consecutive naturals, namely, 17641349 + ... + 17641380.

It is an arithmetic number, because the mean of its divisors is an integer number (109376463).

Almost surely, 2^564523664 is an apocalyptic number.

It is an amenable number.

564523664 is a deficient number, since it is larger than the sum of its proper divisors (529240966).

564523664 is a wasteful number, since it uses less digits than its factorization.

564523664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35282737 (or 35282731 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 564523664 is about 23759.7067321968. The cubic root of 564523664 is about 826.4705521025.

The spelling of 564523664 in words is "five hundred sixty-four million, five hundred twenty-three thousand, six hundred sixty-four".