166593164 has 6 divisors (see below), whose sum is σ = 291538044. Its totient is φ = 83296580.

The previous prime is 166593109. The next prime is 166593179. The reversal of 166593164 is 461395661.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20824142 + ... + 20824149.

It is an arithmetic number, because the mean of its divisors is an integer number (48589674).

Almost surely, 2^166593164 is an apocalyptic number.

It is an amenable number.

166593164 is a deficient number, since it is larger than the sum of its proper divisors (124944880).

166593164 is a wasteful number, since it uses less digits than its factorization.

166593164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41648295 (or 41648293 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 166593164 is about 12907.0974273847. The cubic root of 166593164 is about 550.2402961008.

The spelling of 166593164 in words is "one hundred sixty-six million, five hundred ninety-three thousand, one hundred sixty-four".