165253712 has 40 divisors (see below), whose sum is σ = 359810304. Its totient is φ = 72952704.

The previous prime is 165253709. The next prime is 165253717. The reversal of 165253712 is 217352561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165253717) 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, 12488 + ... + 22055.

Almost surely, 2^165253712 is an apocalyptic number.

It is an amenable number.

165253712 is an abundant number, since it is smaller than the sum of its proper divisors (194556592).

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

165253712 is a wasteful number, since it uses less digits than its factorization.

165253712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34587 (or 34581 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 165253712 is about 12855.1045114382. The cubic root of 165253712 is about 548.7616347594.

The spelling of 165253712 in words is "one hundred sixty-five million, two hundred fifty-three thousand, seven hundred twelve".