16224055999 has 4 divisors (see below), whose sum is σ = 16224311664. Its totient is φ = 16223800336.

The previous prime is 16224055993. The next prime is 16224056011. The reversal of 16224055999 is 99955042261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99955042261 = 38039 ⋅2627699.

It is a cyclic number.

It is not a de Polignac number, because 16224055999 - 2⁹ = 16224055487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16224055993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47694 + ... + 186340.

It is an arithmetic number, because the mean of its divisors is an integer number (4056077916).

Almost surely, 2^16224055999 is an apocalyptic number.

16224055999 is a deficient number, since it is larger than the sum of its proper divisors (255665).

16224055999 is a wasteful number, since it uses less digits than its factorization.

16224055999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255664.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 16224055999 in words is "sixteen billion, two hundred twenty-four million, fifty-five thousand, nine hundred ninety-nine".