165265475 has 6 divisors (see below), whose sum is σ = 204929220. Its totient is φ = 132212360.

The previous prime is 165265453. The next prime is 165265543. The reversal of 165265475 is 574562561.

It is not a de Polignac number, because 165265475 - 2⁶ = 165265411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3305285 + ... + 3305334.

It is an arithmetic number, because the mean of its divisors is an integer number (34154870).

Almost surely, 2^165265475 is an apocalyptic number.

165265475 is a deficient number, since it is larger than the sum of its proper divisors (39663745).

165265475 is an equidigital number, since it uses as much as digits as its factorization.

165265475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610629 (or 6610624 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 165265475 is about 12855.5620258315. The cubic root of 165265475 is about 548.7746550013.

The spelling of 165265475 in words is "one hundred sixty-five million, two hundred sixty-five thousand, four hundred seventy-five".