66004427022912 has 224 divisors, whose sum is σ = 229407834604800. Its totient is φ = 18208117702656.

The previous prime is 66004427022869. The next prime is 66004427022931. The reversal of 66004427022912 is 21922072440066.

66004427022912 is a `hidden beast` number, since 6 + 600 + 4 + 4 + 2 + 7 + 0 + 2 + 29 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

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, 93730513 + ... + 94432080.

Almost surely, 2^{66004427022912} is an apocalyptic number.

It is an amenable number.

66004427022912 is an abundant number, since it is smaller than the sum of its proper divisors (163403407581888).

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

66004427022912 is a wasteful number, since it uses less digits than its factorization.

66004427022912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188162650 (or 188162634 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

Adding to 66004427022912 its reverse (21922072440066), we get a palindrome (87926499462978).

The spelling of 66004427022912 in words is "sixty-six trillion, four billion, four hundred twenty-seven million, twenty-two thousand, nine hundred twelve".