165260944 has 40 divisors (see below), whose sum is σ = 348212088. Its totient is φ = 75663360.

The previous prime is 165260941. The next prime is 165260951. The reversal of 165260944 is 449062561.

165260944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28090000 + 137170944 = 5300^2 + 11712^2 .

It is a super-2 number, since 2×165260944² = 54622359223542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (165260941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 18274.

Almost surely, 2^165260944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165260944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174106044).

165260944 is an abundant number, since it is smaller than the sum of its proper divisors (182951144).

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

165260944 is a wasteful number, since it uses less digits than its factorization.

165260944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483 (or 16477 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 165260944 is about 12855.3857974002. The cubic root of 165260944 is about 548.7696397964.

The spelling of 165260944 in words is "one hundred sixty-five million, two hundred sixty thousand, nine hundred forty-four".