66066062000056 has 16 divisors (see below), whose sum is σ = 123874576673400. Its totient is φ = 33032841553824.

The previous prime is 66066062000051. The next prime is 66066062000063. The reversal of 66066062000056 is 65000026066066.

It is a junction number, because it is equal to n+sod(n) for n = 66066061999976 and 66066062000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66066062000051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22193166 + ... + 24993373.

Almost surely, 2^{66066062000056} is an apocalyptic number.

It is an amenable number.

66066062000056 is a deficient number, since it is larger than the sum of its proper divisors (57808514673344).

66066062000056 is a wasteful number, since it uses less digits than its factorization.

66066062000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47361558 (or 47361554 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 66066062000056 in words is "sixty-six trillion, sixty-six billion, sixty-two million, fifty-six", and thus it is an aban number, an eban number, and an uban number.