165044464 has 40 divisors (see below), whose sum is σ = 345259152. Its totient is φ = 75978240.

The previous prime is 165044461. The next prime is 165044497. The reversal of 165044464 is 464440561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165044461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107607 + ... + 109129.

Almost surely, 2^165044464 is an apocalyptic number.

It is an amenable number.

165044464 is an abundant number, since it is smaller than the sum of its proper divisors (180214688).

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

165044464 is a wasteful number, since it uses less digits than its factorization.

165044464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 165044464 is about 12846.9632209328. The cubic root of 165044464 is about 548.5299187858.

The spelling of 165044464 in words is "one hundred sixty-five million, forty-four thousand, four hundred sixty-four".