165316044 has 12 divisors (see below), whose sum is σ = 385737464. Its totient is φ = 55105344.

The previous prime is 165316043. The next prime is 165316051. The reversal of 165316044 is 440613561.

165316044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (165316043) 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, 6888157 + ... + 6888180.

Almost surely, 2^165316044 is an apocalyptic number.

It is an amenable number.

165316044 is an abundant number, since it is smaller than the sum of its proper divisors (220421420).

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

165316044 is a wasteful number, since it uses less digits than its factorization.

165316044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776344 (or 13776342 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165316044 is about 12857.5286894488. The cubic root of 165316044 is about 548.8306218340.

The spelling of 165316044 in words is "one hundred sixty-five million, three hundred sixteen thousand, forty-four".