165284728 has 16 divisors (see below), whose sum is σ = 354181680. Its totient is φ = 70836288.

The previous prime is 165284723. The next prime is 165284731. The reversal of 165284728 is 827482561.

It is a happy number.

165284728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165284723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475701 + ... + 1475812.

It is an arithmetic number, because the mean of its divisors is an integer number (22136355).

Almost surely, 2^165284728 is an apocalyptic number.

It is an amenable number.

165284728 is an abundant number, since it is smaller than the sum of its proper divisors (188896952).

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

165284728 is a wasteful number, since it uses less digits than its factorization.

165284728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951526 (or 2951522 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 165284728 is about 12856.3108238717. The cubic root of 165284728 is about 548.7959644494.

The spelling of 165284728 in words is "one hundred sixty-five million, two hundred eighty-four thousand, seven hundred twenty-eight".