564055213266 has 24 divisors (see below), whose sum is σ = 1251927426204. Its totient is φ = 183432589440.

The previous prime is 564055213247. The next prime is 564055213273. The reversal of 564055213266 is 662312550465.

564055213266 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 552 + 1 + 32 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 445784564241 + 118270649025 = 667671^2 + 343905^2 .

It is a super-2 number, since 2×564055213266² (a number of 24 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 382150491 + ... + 382151966.

Almost surely, 2^564055213266 is an apocalyptic number.

564055213266 is an abundant number, since it is smaller than the sum of its proper divisors (687872212938).

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

564055213266 is a wasteful number, since it uses less digits than its factorization.

564055213266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764302506 (or 764302503 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 564055213266 in words is "five hundred sixty-four billion, fifty-five million, two hundred thirteen thousand, two hundred sixty-six".