6216 has 32 divisors (see below), whose sum is σ = 18240.
Its totient is φ = 1728.
The previous prime is 6211. The next prime is 6217. The reversal of 6216 is 6126.
6216 is nontrivially palindromic in base 13.
6216 is a nontrivial binomial coefficient, being equal to C(112, 2).
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 6.
It is a junction number, because it is equal to n+sod(n) for n = 6195 and 6204.
It is not an unprimeable number, because it can be changed into a prime (6211) by changing a digit.
6216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150 + ... + 186.
It is an arithmetic number, because the mean of its divisors is an integer number (570).
26216 is an apocalyptic number.
6216 is the 111-st triangular number and also the 56-th hexagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9120).
6216 is an abundant number, since it is smaller than the sum of its proper divisors (12024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6216 is a wasteful number, since it uses less digits than its factorization.
6216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53 (or 49 counting only the distinct ones).
The product of its digits is 72, while the sum is 15.
The square root of 6216 is about 78.8416133777.
The cubic root of 6216 is about 18.3866948551.
The spelling of 6216 in words is "six thousand, two hundred sixteen".