166833500166 has 48 divisors (see below), whose sum is σ = 387383109984. Its totient is φ = 51755628672.

The previous prime is 166833500153. The next prime is 166833500177. The reversal of 166833500166 is 661005338661.

166833500166 is a `hidden beast` number, since 1 + 6 + 6 + 83 + 3 + 500 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5430351 + ... + 5460986.

It is an arithmetic number, because the mean of its divisors is an integer number (8070481458).

Almost surely, 2^166833500166 is an apocalyptic number.

166833500166 is an abundant number, since it is smaller than the sum of its proper divisors (220549609818).

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

166833500166 is a wasteful number, since it uses less digits than its factorization.

166833500166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891405 (or 10891402 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 166833500166 in words is "one hundred sixty-six billion, eight hundred thirty-three million, five hundred thousand, one hundred sixty-six".