16655216 has 10 divisors (see below), whose sum is σ = 32269512. Its totient is φ = 8327600.

The previous prime is 16655159. The next prime is 16655237. The reversal of 16655216 is 61255661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520460 + ... + 520491.

Almost surely, 2^16655216 is an apocalyptic number.

16655216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16655216 is a deficient number, since it is larger than the sum of its proper divisors (15614296).

16655216 is a wasteful number, since it uses less digits than its factorization.

16655216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040959 (or 1040953 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 16655216 is about 4081.0802491497. The cubic root of 16655216 is about 255.3779657033.

The spelling of 16655216 in words is "sixteen million, six hundred fifty-five thousand, two hundred sixteen".