66167000056 has 16 divisors (see below), whose sum is σ = 124106592240. Its totient is φ = 33071908800.

The previous prime is 66166999999. The next prime is 66167000083. The reversal of 66167000056 is 65000076166.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66166999979 and 66167000024.

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, 1424620 + ... + 1470331.

It is an arithmetic number, because the mean of its divisors is an integer number (7756662015).

Almost surely, 2^66167000056 is an apocalyptic number.

It is an amenable number.

66167000056 is a deficient number, since it is larger than the sum of its proper divisors (57939592184).

66167000056 is a wasteful number, since it uses less digits than its factorization.

66167000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897814 (or 2897810 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 66167000056 in words is "sixty-six billion, one hundred sixty-seven million, fifty-six", and thus it is an aban number.