165054272 has 14 divisors (see below), whose sum is σ = 327529698. Its totient is φ = 82527104.

The previous prime is 165054251. The next prime is 165054319. The reversal of 165054272 is 272450561.

It can be written as a sum of positive squares in only one way, i.e., 156150016 + 8904256 = 12496^2 + 2984^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289423 + ... + 1289550.

Almost surely, 2^165054272 is an apocalyptic number.

It is an amenable number.

165054272 is a deficient number, since it is larger than the sum of its proper divisors (162475426).

165054272 is an equidigital number, since it uses as much as digits as its factorization.

165054272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578985 (or 2578975 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 165054272 is about 12847.3449397142. The cubic root of 165054272 is about 548.5407842918.

The spelling of 165054272 in words is "one hundred sixty-five million, fifty-four thousand, two hundred seventy-two".