16116115985429 has 2 divisors, whose sum is σ = 16116115985430. Its totient is φ = 16116115985428.

The previous prime is 16116115985423. The next prime is 16116115985513. The reversal of 16116115985429 is 92458951161161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8455388074225 + 7660727911204 = 2907815^2 + 2767802^2 .

It is a cyclic number.

It is not a de Polignac number, because 16116115985429 - 2³² = 16111821018133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16116115985423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058057992714 + 8058057992715.

It is an arithmetic number, because the mean of its divisors is an integer number (8058057992715).

Almost surely, 2^{16116115985429} is an apocalyptic number.

It is an amenable number.

16116115985429 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116115985429 is an equidigital number, since it uses as much as digits as its factorization.

16116115985429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 59.

The spelling of 16116115985429 in words is "sixteen trillion, one hundred sixteen billion, one hundred fifteen million, nine hundred eighty-five thousand, four hundred twenty-nine".