Adding to 16000 its reverse (61), we get a palindrome (16061).
It is a tau number, because it is divible by the number of its divisors (32).
It is a nialpdrome in base 4.
It is a zygodrome in base 4.
16000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
216000 is an apocalyptic number.
16000 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 16000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16000 is an frugal number, since it uses more digits than its factorization.
16000 is an evil number, because the sum of its binary digits is even.
The square root of 16000 is about 126.4911064067. The cubic root of 16000 is about 25.1984209979.
The spelling of 16000 in words is "sixteen thousand".