16218546299 has 2 divisors, whose sum is σ = 16218546300. Its totient is φ = 16218546298.

The previous prime is 16218546263. The next prime is 16218546313. The reversal of 16218546299 is 99264581261.

It is a strong prime.

It is an emirp because it is prime and its reverse (99264581261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16218546299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16218546299.

It is not a weakly prime, because it can be changed into another prime (16218546599) 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, 8109273149 + 8109273150.

It is an arithmetic number, because the mean of its divisors is an integer number (8109273150).

Almost surely, 2^16218546299 is an apocalyptic number.

16218546299 is a deficient number, since it is larger than the sum of its proper divisors (1).

16218546299 is an equidigital number, since it uses as much as digits as its factorization.

16218546299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The spelling of 16218546299 in words is "sixteen billion, two hundred eighteen million, five hundred forty-six thousand, two hundred ninety-nine".