165028 has 6 divisors (see below), whose sum is σ = 288806. Its totient is φ = 82512.

The previous prime is 165001. The next prime is 165037. The reversal of 165028 is 820561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128164 + 36864 = 358^2 + 192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20625 + ... + 20632.

2¹⁶⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

165028 is a deficient number, since it is larger than the sum of its proper divisors (123778).

165028 is a wasteful number, since it uses less digits than its factorization.

165028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41261 (or 41259 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 165028 is about 406.2363843872. The cubic root of 165028 is about 54.8511678657.

Adding to 165028 its reverse (820561), we get a palindrome (985589).

The spelling of 165028 in words is "one hundred sixty-five thousand, twenty-eight".