66126106056 has 16 divisors (see below), whose sum is σ = 165315265200. Its totient is φ = 22042035344.

The previous prime is 66126105971. The next prime is 66126106063. The reversal of 66126106056 is 65060162166.

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 3 ways as a sum of consecutive naturals, for example, 1377627186 + ... + 1377627233.

It is an arithmetic number, because the mean of its divisors is an integer number (10332204075).

Almost surely, 2^66126106056 is an apocalyptic number.

It is an amenable number.

66126106056 is an abundant number, since it is smaller than the sum of its proper divisors (99189159144).

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

66126106056 is a wasteful number, since it uses less digits than its factorization.

66126106056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755254428 (or 2755254424 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 66126106056 in words is "sixty-six billion, one hundred twenty-six million, one hundred six thousand, fifty-six".