165255828 has 48 divisors (see below), whose sum is σ = 404804736. Its totient is φ = 52370560.

The previous prime is 165255821. The next prime is 165255859. The reversal of 165255828 is 828552561.

165255828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165255828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165255821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46018 + ... + 49478.

It is an arithmetic number, because the mean of its divisors is an integer number (8433432).

Almost surely, 2^165255828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165255828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202402368).

165255828 is an abundant number, since it is smaller than the sum of its proper divisors (239548908).

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

165255828 is a wasteful number, since it uses less digits than its factorization.

165255828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3662 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 165255828 is about 12855.1868131117. The cubic root of 165255828 is about 548.7639769653.

The spelling of 165255828 in words is "one hundred sixty-five million, two hundred fifty-five thousand, eight hundred twenty-eight".