564533406664 has 8 divisors (see below), whose sum is σ = 1058500137510. Its totient is φ = 282266703328.

The previous prime is 564533406653. The next prime is 564533406673. The reversal of 564533406664 is 466604335465.

It can be written as a sum of positive squares in only one way, i.e., 509284904164 + 55248502500 = 713642^2 + 235050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×564533406664² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35283337909 + ... + 35283337924.

Almost surely, 2^564533406664 is an apocalyptic number.

It is an amenable number.

564533406664 is a deficient number, since it is larger than the sum of its proper divisors (493966730846).

564533406664 is a wasteful number, since it uses less digits than its factorization.

564533406664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70566675839 (or 70566675835 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 564533406664 in words is "five hundred sixty-four billion, five hundred thirty-three million, four hundred six thousand, six hundred sixty-four".