16682216 has 32 divisors (see below), whose sum is σ = 32590080. Its totient is φ = 7996800.

The previous prime is 16682201. The next prime is 16682233. The reversal of 16682216 is 61228661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33731 + ... + 34221.

It is an arithmetic number, because the mean of its divisors is an integer number (1018440).

Almost surely, 2^16682216 is an apocalyptic number.

It is an amenable number.

16682216 is a deficient number, since it is larger than the sum of its proper divisors (15907864).

16682216 is a wasteful number, since it uses less digits than its factorization.

16682216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 661 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 16682216 is about 4084.3868572896. The cubic root of 16682216 is about 255.5158901120.

The spelling of 16682216 in words is "sixteen million, six hundred eighty-two thousand, two hundred sixteen".