166588004 has 12 divisors (see below), whose sum is σ = 318031728. Its totient is φ = 75721800.

The previous prime is 166588003. The next prime is 166588013. The reversal of 166588004 is 400885661.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (166588003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893002 + ... + 1893089.

It is an arithmetic number, because the mean of its divisors is an integer number (26502644).

Almost surely, 2^166588004 is an apocalyptic number.

It is an amenable number.

166588004 is a deficient number, since it is larger than the sum of its proper divisors (151443724).

166588004 is a wasteful number, since it uses less digits than its factorization.

166588004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786106 (or 3786104 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 166588004 is about 12906.8975358139. The cubic root of 166588004 is about 550.2346150569.

The spelling of 166588004 in words is "one hundred sixty-six million, five hundred eighty-eight thousand, four".