16916216 has 16 divisors (see below), whose sum is σ = 31897800. Its totient is φ = 8410144.

The previous prime is 16916209. The next prime is 16916233. The reversal of 16916216 is 61261961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 7338.

Almost surely, 2^16916216 is an apocalyptic number.

It is an amenable number.

16916216 is a deficient number, since it is larger than the sum of its proper divisors (14981584).

16916216 is a wasteful number, since it uses less digits than its factorization.

16916216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998 (or 11994 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 16916216 is about 4112.9327735814. The cubic root of 16916216 is about 256.7050470144.

The spelling of 16916216 in words is "sixteen million, nine hundred sixteen thousand, two hundred sixteen".