165100272 has 40 divisors (see below), whose sum is σ = 448959360. Its totient is φ = 52136640.

The previous prime is 165100267. The next prime is 165100307. The reversal of 165100272 is 272001561.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89604 + ... + 91427.

It is an arithmetic number, because the mean of its divisors is an integer number (11223984).

Almost surely, 2^165100272 is an apocalyptic number.

165100272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165100272 is an abundant number, since it is smaller than the sum of its proper divisors (283859088).

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

165100272 is a wasteful number, since it uses less digits than its factorization.

165100272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181061 (or 181055 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 165100272 is about 12849.1350681670. The cubic root of 165100272 is about 548.5917383044.

The spelling of 165100272 in words is "one hundred sixty-five million, one hundred thousand, two hundred seventy-two".