16684099 has 2 divisors, whose sum is σ = 16684100. Its totient is φ = 16684098.

The previous prime is 16684093. The next prime is 16684103. The reversal of 16684099 is 99048661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16684099 - 2³ = 16684091 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16684091) by changing a digit.

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, 8342049 + 8342050.

It is an arithmetic number, because the mean of its divisors is an integer number (8342050).

Almost surely, 2^16684099 is an apocalyptic number.

16684099 is a deficient number, since it is larger than the sum of its proper divisors (1).

16684099 is an equidigital number, since it uses as much as digits as its factorization.

16684099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16684099 is about 4084.6173627404. The cubic root of 16684099 is about 255.5255035095.

The spelling of 16684099 in words is "sixteen million, six hundred eighty-four thousand, ninety-nine".