16415136427 has 2 divisors, whose sum is σ = 16415136428. Its totient is φ = 16415136426.

The previous prime is 16415136407. The next prime is 16415136433. The reversal of 16415136427 is 72463151461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16415136427 - 2⁷ = 16415136299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16415136427.

It is not a weakly prime, because it can be changed into another prime (16415136407) 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, 8207568213 + 8207568214.

It is an arithmetic number, because the mean of its divisors is an integer number (8207568214).

Almost surely, 2^16415136427 is an apocalyptic number.

16415136427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16415136427 is an equidigital number, since it uses as much as digits as its factorization.

16415136427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

Adding to 16415136427 its reverse (72463151461), we get a palindrome (88878287888).

The spelling of 16415136427 in words is "sixteen billion, four hundred fifteen million, one hundred thirty-six thousand, four hundred twenty-seven".