566620433660 has 24 divisors (see below), whose sum is σ = 1191504426336. Its totient is φ = 226343122880.

The previous prime is 566620433651. The next prime is 566620433669. The reversal of 566620433660 is 66334026665.

It is an interprime number because it is at equal distance from previous prime (566620433651) and next prime (566620433669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566620433669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19050431 + ... + 19080150.

It is an arithmetic number, because the mean of its divisors is an integer number (49646017764).

Almost surely, 2^566620433660 is an apocalyptic number.

It is an amenable number.

566620433660 is an abundant number, since it is smaller than the sum of its proper divisors (624883992676).

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

566620433660 is a wasteful number, since it uses less digits than its factorization.

566620433660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38131333 (or 38131331 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 566620433660 in words is "five hundred sixty-six billion, six hundred twenty million, four hundred thirty-three thousand, six hundred sixty".