16530799 has 2 divisors, whose sum is σ = 16530800. Its totient is φ = 16530798.

The previous prime is 16530763. The next prime is 16530803. The reversal of 16530799 is 99703561.

It is a strong prime.

It is an emirp because it is prime and its reverse (99703561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16530799 - 2²¹ = 14433647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16530299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265399 + 8265400.

It is an arithmetic number, because the mean of its divisors is an integer number (8265400).

Almost surely, 2^16530799 is an apocalyptic number.

16530799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530799 is an equidigital number, since it uses as much as digits as its factorization.

16530799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 16530799 is about 4065.8085296777. The cubic root of 16530799 is about 254.7404715668.

The spelling of 16530799 in words is "sixteen million, five hundred thirty thousand, seven hundred ninety-nine".