16136615291 has 2 divisors, whose sum is σ = 16136615292. Its totient is φ = 16136615290.

The previous prime is 16136615249. The next prime is 16136615311. The reversal of 16136615291 is 19251663161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16136615291 - 2¹⁸ = 16136353147 is a prime.

It is not a weakly prime, because it can be changed into another prime (16136615191) 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, 8068307645 + 8068307646.

It is an arithmetic number, because the mean of its divisors is an integer number (8068307646).

Almost surely, 2^16136615291 is an apocalyptic number.

16136615291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16136615291 is an equidigital number, since it uses as much as digits as its factorization.

16136615291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The spelling of 16136615291 in words is "sixteen billion, one hundred thirty-six million, six hundred fifteen thousand, two hundred ninety-one".