165914944 has 28 divisors (see below), whose sum is σ = 354565204. Its totient is φ = 76575744.

The previous prime is 165914923. The next prime is 165914971. The reversal of 165914944 is 449419561.

It can be written as a sum of positive squares in 2 ways, for example, as 69089344 + 96825600 = 8312^2 + 9840^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165914944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98877 + ... + 100540.

It is an arithmetic number, because the mean of its divisors is an integer number (12663043).

Almost surely, 2^165914944 is an apocalyptic number.

It is an amenable number.

165914944 is an abundant number, since it is smaller than the sum of its proper divisors (188650260).

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

165914944 is a wasteful number, since it uses less digits than its factorization.

165914944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199442 (or 199432 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 165914944 is about 12880.7974908388. The cubic root of 165914944 is about 549.4925832532.

The spelling of 165914944 in words is "one hundred sixty-five million, nine hundred fourteen thousand, nine hundred forty-four".