566556061660 has 24 divisors (see below), whose sum is σ = 1189791909936. Its totient is φ = 226617818880.

The previous prime is 566556061649. The next prime is 566556061663. The reversal of 566556061660 is 66160655665.

It is a junction number, because it is equal to n+sod(n) for n = 566556061598 and 566556061607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566556061663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825924 + ... + 1347316.

It is an arithmetic number, because the mean of its divisors is an integer number (49574662914).

Almost surely, 2^566556061660 is an apocalyptic number.

It is an amenable number.

566556061660 is an abundant number, since it is smaller than the sum of its proper divisors (623235848276).

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

566556061660 is a wasteful number, since it uses less digits than its factorization.

566556061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575733 (or 575731 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 566556061660 in words is "five hundred sixty-six billion, five hundred fifty-six million, sixty-one thousand, six hundred sixty".