166880475064 has 32 divisors (see below), whose sum is σ = 314326085040. Its totient is φ = 83060467200.

The previous prime is 166880475037. The next prime is 166880475101. The reversal of 166880475064 is 460574088661.

It is a junction number, because it is equal to n+sod(n) for n = 166880474996 and 166880475014.

It is a congruent number.

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, 5156694 + ... + 5188954.

Almost surely, 2^166880475064 is an apocalyptic number.

It is an amenable number.

166880475064 is a deficient number, since it is larger than the sum of its proper divisors (147445609976).

166880475064 is a wasteful number, since it uses less digits than its factorization.

166880475064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35191 (or 35187 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 166880475064 in words is "one hundred sixty-six billion, eight hundred eighty million, four hundred seventy-five thousand, sixty-four".