44166165 has 32 divisors (see below), whose sum is σ = 76800000. Its totient is φ = 21591360.

The previous prime is 44166139. The next prime is 44166169. The reversal of 44166165 is 56166144.

It is a happy number.

It is not a de Polignac number, because 44166165 - 2⁸ = 44165909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44166169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6336 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (2400000).

Almost surely, 2^44166165 is an apocalyptic number.

It is an amenable number.

44166165 is a deficient number, since it is larger than the sum of its proper divisors (32633835).

44166165 is a wasteful number, since it uses less digits than its factorization.

44166165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its digits is 17280, while the sum is 33.

The square root of 44166165 is about 6645.7629358863. The cubic root of 44166165 is about 353.4786846112.

The spelling of 44166165 in words is "forty-four million, one hundred sixty-six thousand, one hundred sixty-five".