16004899 has 2 divisors, whose sum is σ = 16004900. Its totient is φ = 16004898.

The previous prime is 16004873. The next prime is 16004909. The reversal of 16004899 is 99840061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16004899 - 2²³ = 7616291 is a prime.

It is not a weakly prime, because it can be changed into another prime (16004809) 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, 8002449 + 8002450.

It is an arithmetic number, because the mean of its divisors is an integer number (8002450).

Almost surely, 2^16004899 is an apocalyptic number.

16004899 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004899 is an equidigital number, since it uses as much as digits as its factorization.

16004899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 16004899 is about 4000.6123281318. The cubic root of 16004899 is about 252.0099254930.

The spelling of 16004899 in words is "sixteen million, four thousand, eight hundred ninety-nine".