166044044 has 12 divisors (see below), whose sum is σ = 296759904. Its totient is φ = 81255504.

The previous prime is 166044041. The next prime is 166044089. The reversal of 166044044 is 440440661.

It is a junction number, because it is equal to n+sod(n) for n = 166043998 and 166044016.

It is not an unprimeable number, because it can be changed into a prime (166044041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441419 + ... + 441794.

It is an arithmetic number, because the mean of its divisors is an integer number (24729992).

Almost surely, 2^166044044 is an apocalyptic number.

It is an amenable number.

166044044 is a deficient number, since it is larger than the sum of its proper divisors (130715860).

166044044 is a wasteful number, since it uses less digits than its factorization.

166044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883264 (or 883262 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 166044044 is about 12885.8078520518. The cubic root of 166044044 is about 549.6350681095.

The spelling of 166044044 in words is "one hundred sixty-six million, forty-four thousand, forty-four".