165296728 has 8 divisors (see below), whose sum is σ = 309931380. Its totient is φ = 82648360.

The previous prime is 165296711. The next prime is 165296731. The reversal of 165296728 is 827692561.

165296728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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, 10331038 + ... + 10331053.

Almost surely, 2^165296728 is an apocalyptic number.

It is an amenable number.

165296728 is a deficient number, since it is larger than the sum of its proper divisors (144634652).

165296728 is a wasteful number, since it uses less digits than its factorization.

165296728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662097 (or 20662093 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 165296728 is about 12856.7775122696. Note that the first 3 decimals coincide. The cubic root of 165296728 is about 548.8092453542.

The spelling of 165296728 in words is "one hundred sixty-five million, two hundred ninety-six thousand, seven hundred twenty-eight".