It is a Jordan-Polya number, since it can be written as (4!)3 ⋅ 3! ⋅ 2!.
165888 is nontrivially palindromic in base 15.
It is an ABA number since it can be written as A⋅BA, here for A=2, B=288.
It is a nialpdrome in base 6 and base 12.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 165888.
165888 is a Friedman number, since it can be written as (8+8)*8*6^(5-1), using all its digits and the basic arithmetic operations.
2165888 is an apocalyptic number.
165888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 165888
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
165888 is an frugal number, since it uses more digits than its factorization.
165888 is an odious number, because the sum of its binary digits is odd.
The square root of 165888 is about 407.2935059635. The cubic root of 165888 is about 54.9462836426.
The spelling of 165888 in words is "one hundred sixty-five thousand, eight hundred eighty-eight".