16523863199 has 2 divisors, whose sum is σ = 16523863200. Its totient is φ = 16523863198.

The previous prime is 16523863117. The next prime is 16523863207. The reversal of 16523863199 is 99136832561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16523863199 - 2²⁸ = 16255427743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16523863199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16523833199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261931599 + 8261931600.

It is an arithmetic number, because the mean of its divisors is an integer number (8261931600).

Almost surely, 2^16523863199 is an apocalyptic number.

16523863199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16523863199 is an equidigital number, since it uses as much as digits as its factorization.

16523863199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The spelling of 16523863199 in words is "sixteen billion, five hundred twenty-three million, eight hundred sixty-three thousand, one hundred ninety-nine".