165055253 has 24 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 143114400.

The previous prime is 165055213. The next prime is 165055259. The reversal of 165055253 is 352550561.

165055253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165055253 - 2²⁰ = 164006677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165055259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296051 + ... + 296607.

It is an arithmetic number, because the mean of its divisors is an integer number (7916160).

Almost surely, 2^165055253 is an apocalyptic number.

It is an amenable number.

165055253 is a deficient number, since it is larger than the sum of its proper divisors (24932587).

165055253 is a wasteful number, since it uses less digits than its factorization.

165055253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 165055253 is about 12847.3831187522. The cubic root of 165055253 is about 548.5418710403.

The spelling of 165055253 in words is "one hundred sixty-five million, fifty-five thousand, two hundred fifty-three".