16165085099 has 2 divisors, whose sum is σ = 16165085100. Its totient is φ = 16165085098.

The previous prime is 16165085093. The next prime is 16165085143. The reversal of 16165085099 is 99058056161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16165085099 - 2²⁴ = 16148307883 is a prime.

It is a super-2 number, since 2×16165085099² (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 (16165085093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082542549 + 8082542550.

It is an arithmetic number, because the mean of its divisors is an integer number (8082542550).

Almost surely, 2^16165085099 is an apocalyptic number.

16165085099 is a deficient number, since it is larger than the sum of its proper divisors (1).

16165085099 is an equidigital number, since it uses as much as digits as its factorization.

16165085099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 16165085099 in words is "sixteen billion, one hundred sixty-five million, eighty-five thousand, ninety-nine".