564655336530066 has 12 divisors (see below), whose sum is σ = 1223419895815182. Its totient is φ = 188218445510016.

The previous prime is 564655336530023. The next prime is 564655336530091. The reversal of 564655336530066 is 660035633556465.

564655336530066 is a `hidden beast` number, since 5 + 6 + 4 + 6 + 5 + 5 + 3 + 36 + 530 + 0 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 561194542307025 + 3460794223041 = 23689545^2 + 1860321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564655336529985 and 564655336530012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15684870459151 + ... + 15684870459186.

Almost surely, 2^{564655336530066} is an apocalyptic number.

564655336530066 is an abundant number, since it is smaller than the sum of its proper divisors (658764559285116).

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

564655336530066 is a wasteful number, since it uses less digits than its factorization.

564655336530066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31369740918345 (or 31369740918342 counting only the distinct ones).

The product of its (nonzero) digits is 524880000, while the sum is 63.

The spelling of 564655336530066 in words is "five hundred sixty-four trillion, six hundred fifty-five billion, three hundred thirty-six million, five hundred thirty thousand, sixty-six".