44166 has 16 divisors (see below), whose sum is σ = 93744. Its totient is φ = 13824.

The previous prime is 44159. The next prime is 44171. The reversal of 44166 is 66144.

It is a congruent number.

It is an unprimeable number.

44166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 115 + ... + 318.

It is an arithmetic number, because the mean of its divisors is an integer number (5859).

2⁴⁴¹⁶⁶ is an apocalyptic number.

44166 is an abundant number, since it is smaller than the sum of its proper divisors (49578).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46872).

44166 is a wasteful number, since it uses less digits than its factorization.

44166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

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

The square root of 44166 is about 210.1570841062. The cubic root of 44166 is about 35.3478244425.

It can be divided in two parts, 44 and 166, that added together give a triangular number (210 = T₂₀).

The spelling of 44166 in words is "forty-four thousand, one hundred sixty-six".