165955028 has 24 divisors (see below), whose sum is σ = 312829440. Its totient is φ = 76808160.

The previous prime is 165955001. The next prime is 165955033. The reversal of 165955028 is 820559561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26243 + ... + 31946.

It is an arithmetic number, because the mean of its divisors is an integer number (13034560).

Almost surely, 2^165955028 is an apocalyptic number.

It is an amenable number.

165955028 is a deficient number, since it is larger than the sum of its proper divisors (146874412).

165955028 is a wasteful number, since it uses less digits than its factorization.

165955028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58247 (or 58245 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 165955028 is about 12882.3533564330. The cubic root of 165955028 is about 549.5368309997.

The spelling of 165955028 in words is "one hundred sixty-five million, nine hundred fifty-five thousand, twenty-eight".