220665166562012 has 12 divisors (see below), whose sum is σ = 386430913671600. Its totient is φ = 110256334084416.

The previous prime is 220665166562003. The next prime is 220665166562063. The reversal of 220665166562012 is 210265661566022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19062292637 + ... + 19062304212.

It is an arithmetic number, because the mean of its divisors is an integer number (32202576139300).

Almost surely, 2^{220665166562012} is an apocalyptic number.

It is an amenable number.

220665166562012 is a deficient number, since it is larger than the sum of its proper divisors (165765747109588).

220665166562012 is a wasteful number, since it uses less digits than its factorization.

220665166562012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38124598300 (or 38124598298 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 220665166562012 in words is "two hundred twenty trillion, six hundred sixty-five billion, one hundred sixty-six million, five hundred sixty-two thousand, twelve".