572956845666 has 64 divisors (see below), whose sum is σ = 1180347966720. Its totient is φ = 185330246400.

The previous prime is 572956845653. The next prime is 572956845673. The reversal of 572956845666 is 666548659275.

It is a self number, because there is not a number n which added to its sum of digits gives 572956845666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27142516 + ... + 27163616.

It is an arithmetic number, because the mean of its divisors is an integer number (18442936980).

Almost surely, 2^572956845666 is an apocalyptic number.

572956845666 is an abundant number, since it is smaller than the sum of its proper divisors (607391121054).

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

572956845666 is a wasteful number, since it uses less digits than its factorization.

572956845666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091.

The product of its digits is 653184000, while the sum is 69.

The spelling of 572956845666 in words is "five hundred seventy-two billion, nine hundred fifty-six million, eight hundred forty-five thousand, six hundred sixty-six".