16118263999 has 2 divisors, whose sum is σ = 16118264000. Its totient is φ = 16118263998.

The previous prime is 16118263961. The next prime is 16118264023. The reversal of 16118263999 is 99936281161.

It is a strong prime.

It is an emirp because it is prime and its reverse (99936281161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16118263999 - 2²⁵ = 16084709567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16118263919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059131999 + 8059132000.

It is an arithmetic number, because the mean of its divisors is an integer number (8059132000).

Almost surely, 2^16118263999 is an apocalyptic number.

16118263999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118263999 is an equidigital number, since it uses as much as digits as its factorization.

16118263999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 55.

The spelling of 16118263999 in words is "sixteen billion, one hundred eighteen million, two hundred sixty-three thousand, nine hundred ninety-nine".