566601656388 has 12 divisors (see below), whose sum is σ = 1322070531600. Its totient is φ = 188867218792.

The previous prime is 566601656363. The next prime is 566601656393. The reversal of 566601656388 is 883656106665.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23608402338 + ... + 23608402361.

It is an arithmetic number, because the mean of its divisors is an integer number (110172544300).

Almost surely, 2^566601656388 is an apocalyptic number.

It is an amenable number.

566601656388 is an abundant number, since it is smaller than the sum of its proper divisors (755468875212).

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

566601656388 is a wasteful number, since it uses less digits than its factorization.

566601656388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47216804706 (or 47216804704 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 566601656388 in words is "five hundred sixty-six billion, six hundred one million, six hundred fifty-six thousand, three hundred eighty-eight".