16585273447 has 2 divisors, whose sum is σ = 16585273448. Its totient is φ = 16585273446.

The previous prime is 16585273433. The next prime is 16585273483. The reversal of 16585273447 is 74437258561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16585273447 - 2⁷ = 16585273319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16585273394 and 16585273403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16585273427) 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, 8292636723 + 8292636724.

It is an arithmetic number, because the mean of its divisors is an integer number (8292636724).

Almost surely, 2^16585273447 is an apocalyptic number.

16585273447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16585273447 is an equidigital number, since it uses as much as digits as its factorization.

16585273447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 52.

The spelling of 16585273447 in words is "sixteen billion, five hundred eighty-five million, two hundred seventy-three thousand, four hundred forty-seven".