165089688 has 16 divisors (see below), whose sum is σ = 412724280. Its totient is φ = 55029888.

The previous prime is 165089681. The next prime is 165089707. The reversal of 165089688 is 886980561.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 165089688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165089681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3439345 + ... + 3439392.

Almost surely, 2^165089688 is an apocalyptic number.

It is an amenable number.

165089688 is an abundant number, since it is smaller than the sum of its proper divisors (247634592).

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

165089688 is a wasteful number, since it uses less digits than its factorization.

165089688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878746 (or 6878742 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 165089688 is about 12848.7232050504. The cubic root of 165089688 is about 548.5800152891.

The spelling of 165089688 in words is "one hundred sixty-five million, eighty-nine thousand, six hundred eighty-eight".