16320 is an undulating number in base 13.
It is a nialpdrome in base 2, base 4 and base 12.
It is a zygodrome in base 2 and base 4.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16320.
It is an unprimeable number.
In principle, a polygon with 16320 sides can be constructed with ruler and compass.
216320 is an apocalyptic number.
16320 is a gapful number since it is divisible by the number (10) 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 16320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16320 is a wasteful number, since it uses less digits than its factorization.
16320 is an evil number, because the sum of its binary digits is even.
The square root of 16320 is about 127.7497553814. The cubic root of 16320 is about 25.3653028215.
Adding to 16320 its reverse (2361), we get a palindrome (18681).
The spelling of 16320 in words is "sixteen thousand, three hundred twenty".