165256244 has 12 divisors (see below), whose sum is σ = 290020164. Its totient is φ = 82393344.

The previous prime is 165256213. The next prime is 165256249. The reversal of 165256244 is 442652561.

165256244 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 2 ways, for example, as 116424100 + 48832144 = 10790^2 + 6988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165256249) 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, 57107 + ... + 59930.

It is an arithmetic number, because the mean of its divisors is an integer number (24168347).

Almost surely, 2^165256244 is an apocalyptic number.

It is an amenable number.

165256244 is a deficient number, since it is larger than the sum of its proper divisors (124763920).

165256244 is a wasteful number, since it uses less digits than its factorization.

165256244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117394 (or 117392 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 165256244 is about 12855.2029933409. The cubic root of 165256244 is about 548.7644374344.

The spelling of 165256244 in words is "one hundred sixty-five million, two hundred fifty-six thousand, two hundred forty-four".