165112044 has 12 divisors (see below), whose sum is σ = 385261464. Its totient is φ = 55037344.

The previous prime is 165112037. The next prime is 165112049. The reversal of 165112044 is 440211561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (165112049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6879657 + ... + 6879680.

It is an arithmetic number, because the mean of its divisors is an integer number (32105122).

Almost surely, 2^165112044 is an apocalyptic number.

It is an amenable number.

165112044 is an abundant number, since it is smaller than the sum of its proper divisors (220149420).

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

165112044 is a wasteful number, since it uses less digits than its factorization.

165112044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759344 (or 13759342 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 165112044 is about 12849.5931453101. The cubic root of 165112044 is about 548.6047765798.

It can be divided in two parts, 1651 and 12044, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 165112044 in words is "one hundred sixty-five million, one hundred twelve thousand, forty-four".