It is a tau number, because it is divible by the number of its divisors (90).
It is an unprimeable number.
Almost surely, 216138800 is an apocalyptic number.
16138800 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 16138800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28009306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16138800 is a wasteful number, since it uses less digits than its factorization.
16138800 is an evil number, because the sum of its binary digits is even.
The square root of 16138800 is about 4017.3125345186. The cubic root of 16138800 is about 252.7107673904.
The spelling of 16138800 in words is "sixteen million, one hundred thirty-eight thousand, eight hundred".