It is a nialpdrome in base 13.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
16280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
216280 is an apocalyptic number.
16280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16280 is the 74-th octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16280 is a wasteful number, since it uses less digits than its factorization.
16280 is an odious number, because the sum of its binary digits is odd.
The square root of 16280 is about 127.5931032619. The cubic root of 16280 is about 25.3445625810.
The spelling of 16280 in words is "sixteen thousand, two hundred eighty".