16118840219 has 2 divisors, whose sum is σ = 16118840220. Its totient is φ = 16118840218.

The previous prime is 16118840161. The next prime is 16118840239. The reversal of 16118840219 is 91204881161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16118840219 - 2²⁰ = 16117791643 is a prime.

It is a super-2 number, since 2×16118840219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16118840239) 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, 8059420109 + 8059420110.

It is an arithmetic number, because the mean of its divisors is an integer number (8059420110).

Almost surely, 2^16118840219 is an apocalyptic number.

16118840219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118840219 is an equidigital number, since it uses as much as digits as its factorization.

16118840219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 16118840219 in words is "sixteen billion, one hundred eighteen million, eight hundred forty thousand, two hundred nineteen".