3566564772912 has 30 divisors (see below), whose sum is σ = 9981427802372. Its totient is φ = 1188854924256.

The previous prime is 3566564772899. The next prime is 3566564772913. The reversal of 3566564772912 is 2192774656653.

3566564772912 is a `hidden beast` number, since 3 + 5 + 66 + 564 + 7 + 7 + 2 + 9 + 1 + 2 = 666.

It is a super-2 number, since 2×3566564772912² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3566564772912.

It is not an unprimeable number, because it can be changed into a prime (3566564772913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12383905318 + ... + 12383905605.

Almost surely, 2^{3566564772912} is an apocalyptic number.

It is an amenable number.

3566564772912 is an abundant number, since it is smaller than the sum of its proper divisors (6414863029460).

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

3566564772912 is a wasteful number, since it uses less digits than its factorization.

3566564772912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24767810937 (or 24767810928 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 3566564772912 in words is "three trillion, five hundred sixty-six billion, five hundred sixty-four million, seven hundred seventy-two thousand, nine hundred twelve".