566666652 has 12 divisors (see below), whose sum is σ = 1322222216. Its totient is φ = 188888880.

The previous prime is 566666651. The next prime is 566666677. The reversal of 566666652 is 256666665.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×566666652² = 642222188977778208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566666651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23611099 + ... + 23611122.

Almost surely, 2^566666652 is an apocalyptic number.

It is an amenable number.

566666652 is an abundant number, since it is smaller than the sum of its proper divisors (755555564).

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

566666652 is a wasteful number, since it uses less digits than its factorization.

566666652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47222228 (or 47222226 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The square root of 566666652 is about 23804.7611204145. The cubic root of 566666652 is about 827.5150197315.

The spelling of 566666652 in words is "five hundred sixty-six million, six hundred sixty-six thousand, six hundred fifty-two".