16585473943 has 2 divisors, whose sum is σ = 16585473944. Its totient is φ = 16585473942.

The previous prime is 16585473937. The next prime is 16585473967. The reversal of 16585473943 is 34937458561.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34937458561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16585473943 - 2⁵ = 16585473911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16585873943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8292736971 + 8292736972.

It is an arithmetic number, because the mean of its divisors is an integer number (8292736972).

Almost surely, 2^16585473943 is an apocalyptic number.

16585473943 is a deficient number, since it is larger than the sum of its proper divisors (1).

16585473943 is an equidigital number, since it uses as much as digits as its factorization.

16585473943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 55.

The spelling of 16585473943 in words is "sixteen billion, five hundred eighty-five million, four hundred seventy-three thousand, nine hundred forty-three".