16216 has 8 divisors (see below), whose sum is σ = 30420.
Its totient is φ = 8104.
The previous prime is 16193. The next prime is 16217. The reversal of 16216 is 61261.
Adding to 16216 its reverse (61261), we get a palindrome (77477).
It can be divided in two parts, 16 and 216, that added together give a palindrome (232).
16216 = 242 + 252 + ... + 392.
It is a tau number, because it is divible by the number of its divisors (8).
16216 is a modest number, since divided by 216 gives 16 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 16216.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006 + ... + 1021.
216216 is an apocalyptic number.
It is an amenable number.
16216 is a deficient number, since it is larger than the sum of its proper divisors (14204).
16216 is a wasteful number, since it uses less digits than its factorization.
16216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2033 (or 2029 counting only the distinct ones).
The product of its digits is 72, while the sum is 16.
The square root of 16216 is about 127.3420590379.
The cubic root of 16216 is about 25.3113074173.
The spelling of 16216 in words is "sixteen thousand, two hundred sixteen".