165284988 has 24 divisors (see below), whose sum is σ = 420725760. Its totient is φ = 50086320.

The previous prime is 165284941. The next prime is 165284989. The reversal of 165284988 is 889482561.

165284988 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 165284988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165284989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625948 + ... + 626211.

It is an arithmetic number, because the mean of its divisors is an integer number (17530240).

Almost surely, 2^165284988 is an apocalyptic number.

It is an amenable number.

165284988 is an abundant number, since it is smaller than the sum of its proper divisors (255440772).

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

165284988 is a wasteful number, since it uses less digits than its factorization.

165284988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252177 (or 1252175 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 165284988 is about 12856.3209356332. The cubic root of 165284988 is about 548.7962522092.

The spelling of 165284988 in words is "one hundred sixty-five million, two hundred eighty-four thousand, nine hundred eighty-eight".