564364664612 has 12 divisors (see below), whose sum is σ = 1128729329280. Its totient is φ = 241870570536.

The previous prime is 564364664609. The next prime is 564364664621. The reversal of 564364664612 is 216466463465.

564364664612 is an admirable number.

It is a super-2 number, since 2×564364664612² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10077940412 + ... + 10077940467.

It is an arithmetic number, because the mean of its divisors is an integer number (94060777440).

Almost surely, 2^564364664612 is an apocalyptic number.

It is an amenable number.

564364664612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

564364664612 is a wasteful number, since it uses less digits than its factorization.

564364664612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155880890 (or 20155880888 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 53.

The spelling of 564364664612 in words is "five hundred sixty-four billion, three hundred sixty-four million, six hundred sixty-four thousand, six hundred twelve".