16585794446643 has 10 divisors (see below), whose sum is σ = 24776310222884. Its totient is φ = 11057196297708.

The previous prime is 16585794446623. The next prime is 16585794446653. The reversal of 16585794446643 is 34664449758561.

16585794446643 is a `hidden beast` number, since 1 + 6 + 5 + 8 + 57 + 94 + 446 + 6 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16585794446643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16585794446623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 102381447121 + ... + 102381447282.

Almost surely, 2^{16585794446643} is an apocalyptic number.

16585794446643 is a deficient number, since it is larger than the sum of its proper divisors (8190515776241).

16585794446643 is an equidigital number, since it uses as much as digits as its factorization.

16585794446643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204762894415 (or 204762894406 counting only the distinct ones).

The product of its digits is 2090188800, while the sum is 72.

The spelling of 16585794446643 in words is "sixteen trillion, five hundred eighty-five billion, seven hundred ninety-four million, four hundred forty-six thousand, six hundred forty-three".