Adding to 165312 its reverse (213561), we get a palindrome (378873).
165312 is a `hidden beast` number, since 1 + 653 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (84).
It is a congruent number.
2165312 is an apocalyptic number.
165312 is a gapful number since it is divisible by the number (12) 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 165312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
165312 is a wasteful number, since it uses less digits than its factorization.
165312 is an evil number, because the sum of its binary digits is even.
The square root of 165312 is about 406.5857843063. The cubic root of 165312 is about 54.8826146590.
The spelling of 165312 in words is "one hundred sixty-five thousand, three hundred twelve".