66767080175 has 12 divisors (see below), whose sum is σ = 83105982960. Its totient is φ = 53210565120.

The previous prime is 66767080111. The next prime is 66767080223. The reversal of 66767080175 is 57108076766.

It is not a de Polignac number, because 66767080175 - 2⁶ = 66767080111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5070770 + ... + 5083919.

It is an arithmetic number, because the mean of its divisors is an integer number (6925498580).

Almost surely, 2^66767080175 is an apocalyptic number.

66767080175 is a deficient number, since it is larger than the sum of its proper divisors (16338902785).

66767080175 is a wasteful number, since it uses less digits than its factorization.

66767080175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154962 (or 10154957 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 66767080175 in words is "sixty-six billion, seven hundred sixty-seven million, eighty thousand, one hundred seventy-five".