166441044 has 72 divisors (see below), whose sum is σ = 492857568. Its totient is φ = 43229760.

The previous prime is 166441027. The next prime is 166441057. The reversal of 166441044 is 440144661.

166441044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166441044² = 55405242255619872, which contains 22 as substring.

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, 6399 + ... + 19334.

It is an arithmetic number, because the mean of its divisors is an integer number (6845244).

Almost surely, 2^166441044 is an apocalyptic number.

166441044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166441044 is an abundant number, since it is smaller than the sum of its proper divisors (326416524).

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

166441044 is a wasteful number, since it uses less digits than its factorization.

166441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25765 (or 25756 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 166441044 is about 12901.2031997020. The cubic root of 166441044 is about 550.0727661300.

The spelling of 166441044 in words is "one hundred sixty-six million, four hundred forty-one thousand, forty-four".