566861948044 has 24 divisors (see below), whose sum is σ = 1135737646848. Its totient is φ = 242509316880.

The previous prime is 566861947987. The next prime is 566861948057. The reversal of 566861948044 is 440849168665.

It is a happy number.

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, 17963872 + ... + 17995399.

It is an arithmetic number, because the mean of its divisors is an integer number (47322401952).

Almost surely, 2^566861948044 is an apocalyptic number.

It is an amenable number.

566861948044 is an abundant number, since it is smaller than the sum of its proper divisors (568875698804).

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

566861948044 is a wasteful number, since it uses less digits than its factorization.

566861948044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35959845 (or 35959843 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 566861948044 in words is "five hundred sixty-six billion, eight hundred sixty-one million, nine hundred forty-eight thousand, forty-four".