It is a plaindrome in base 11.
It is a nialpdrome in base 7 and base 13.
It is an unprimeable number.
216290 is an apocalyptic number.
16290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16290 is the 180-th triangular number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16290 is a wasteful number, since it uses less digits than its factorization.
16290 is an odious number, because the sum of its binary digits is odd.
The square root of 16290 is about 127.6322843171. The cubic root of 16290 is about 25.3497508233.
The spelling of 16290 in words is "sixteen thousand, two hundred ninety".