166044 has 24 divisors (see below), whose sum is σ = 394128. Its totient is φ = 54400.

The previous prime is 166043. The next prime is 166063. The reversal of 166044 is 440661.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 166044.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166044.

It is not an unprimeable number, because it can be changed into a prime (166043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (16422).

2¹⁶⁶⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

166044 is an abundant number, since it is smaller than the sum of its proper divisors (228084).

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

166044 is a wasteful number, since it uses less digits than its factorization.

166044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 166044 is about 407.4849690479. The cubic root of 166044 is about 54.9635019560.

The spelling of 166044 in words is "one hundred sixty-six thousand, forty-four".