166504444 has 24 divisors (see below), whose sum is σ = 301418208. Its totient is φ = 80424960.

The previous prime is 166504439. The next prime is 166504451. The reversal of 166504444 is 444405661.

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, 11964 + ... + 21820.

It is an arithmetic number, because the mean of its divisors is an integer number (12559092).

Almost surely, 2^166504444 is an apocalyptic number.

It is an amenable number.

166504444 is a deficient number, since it is larger than the sum of its proper divisors (134913764).

166504444 is a wasteful number, since it uses less digits than its factorization.

166504444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005 (or 10003 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 166504444 is about 12903.6601009171. The cubic root of 166504444 is about 550.1426010405.

The spelling of 166504444 in words is "one hundred sixty-six million, five hundred four thousand, four hundred forty-four".