566566655506 has 16 divisors (see below), whose sum is σ = 878548992768. Its totient is φ = 273743751600.

The previous prime is 566566655449. The next prime is 566566655531. The reversal of 566566655506 is 605556665665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6647385 + ... + 6732076.

It is an arithmetic number, because the mean of its divisors is an integer number (54909312048).

Almost surely, 2^566566655506 is an apocalyptic number.

566566655506 is a deficient number, since it is larger than the sum of its proper divisors (311982337262).

566566655506 is a wasteful number, since it uses less digits than its factorization.

566566655506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13380177.

The product of its (nonzero) digits is 145800000, while the sum is 61.

The spelling of 566566655506 in words is "five hundred sixty-six billion, five hundred sixty-six million, six hundred fifty-five thousand, five hundred six".