252165644 has 24 divisors (see below), whose sum is σ = 466401600. Its totient is φ = 118962000.

The previous prime is 252165611. The next prime is 252165647. The reversal of 252165644 is 446561252.

252165644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252165647) 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, 12467 + ... + 25685.

It is an arithmetic number, because the mean of its divisors is an integer number (19433400).

Almost surely, 2^252165644 is an apocalyptic number.

It is an amenable number.

252165644 is a deficient number, since it is larger than the sum of its proper divisors (214235956).

252165644 is a wasteful number, since it uses less digits than its factorization.

252165644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493 (or 13491 counting only the distinct ones).

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

The square root of 252165644 is about 15879.7243049116. The cubic root of 252165644 is about 631.7743245685.

The spelling of 252165644 in words is "two hundred fifty-two million, one hundred sixty-five thousand, six hundred forty-four".