66366230164 has 96 divisors (see below), whose sum is σ = 139250555136. Its totient is φ = 27363747840.

The previous prime is 66366230159. The next prime is 66366230179. The reversal of 66366230164 is 46103266366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66366230164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651034 + ... + 2675950.

It is an arithmetic number, because the mean of its divisors is an integer number (1450526616).

Almost surely, 2^66366230164 is an apocalyptic number.

It is an amenable number.

66366230164 is an abundant number, since it is smaller than the sum of its proper divisors (72884324972).

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

66366230164 is a wasteful number, since it uses less digits than its factorization.

66366230164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105 (or 25103 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 66366230164 in words is "sixty-six billion, three hundred sixty-six million, two hundred thirty thousand, one hundred sixty-four".