11646216 has 24 divisors (see below), whose sum is σ = 31542030. Its totient is φ = 3882048.

The previous prime is 11646203. The next prime is 11646223. The reversal of 11646216 is 61264611.

11646216 is a `hidden beast` number, since 1 + 1 + 646 + 2 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 396900 = 3354^2 + 630^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11646216.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80805 + ... + 80948.

Almost surely, 2^11646216 is an apocalyptic number.

It is an amenable number.

11646216 is an abundant number, since it is smaller than the sum of its proper divisors (19895814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11646216 is a wasteful number, since it uses less digits than its factorization.

11646216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161765 (or 161758 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 11646216 is about 3412.6552711928. The cubic root of 11646216 is about 226.6704709089.

The spelling of 11646216 in words is "eleven million, six hundred forty-six thousand, two hundred sixteen".