165442884 has 24 divisors (see below), whose sum is σ = 386241408. Its totient is φ = 55117920.

The previous prime is 165442853. The next prime is 165442891. The reversal of 165442884 is 488244561.

165442884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41674 + ... + 45470.

It is an arithmetic number, because the mean of its divisors is an integer number (16093392).

Almost surely, 2^165442884 is an apocalyptic number.

It is an amenable number.

165442884 is an abundant number, since it is smaller than the sum of its proper divisors (220798524).

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

165442884 is a wasteful number, since it uses less digits than its factorization.

165442884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7435 (or 7433 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 165442884 is about 12862.4602623293. The cubic root of 165442884 is about 548.9709507823.

The spelling of 165442884 in words is "one hundred sixty-five million, four hundred forty-two thousand, eight hundred eighty-four".