166766008712 has 32 divisors (see below), whose sum is σ = 314989539480. Its totient is φ = 82770677760.

The previous prime is 166766008709. The next prime is 166766008813. The reversal of 166766008712 is 217800667661.

It can be written as a sum of positive squares in 4 ways, for example, as 81096231076 + 85669777636 = 284774^2 + 292694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594638 + ... + 828930.

Almost surely, 2^166766008712 is an apocalyptic number.

It is an amenable number.

166766008712 is a deficient number, since it is larger than the sum of its proper divisors (148223530768).

166766008712 is a wasteful number, since it uses less digits than its factorization.

166766008712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234953 (or 234949 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 166766008712 in words is "one hundred sixty-six billion, seven hundred sixty-six million, eight thousand, seven hundred twelve".