163585334473 has 16 divisors (see below), whose sum is σ = 180030188160. Its totient is φ = 148632440880.

The previous prime is 163585334453. The next prime is 163585334501. The reversal of 163585334473 is 374433585361.

It is not a de Polignac number, because 163585334473 - 2²⁹ = 163048463561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163585334473.

It is not an unprimeable number, because it can be changed into a prime (163585334413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465548 + ... + 2531026.

It is an arithmetic number, because the mean of its divisors is an integer number (11251886760).

Almost surely, 2^163585334473 is an apocalyptic number.

It is an amenable number.

163585334473 is a deficient number, since it is larger than the sum of its proper divisors (16444853687).

163585334473 is an equidigital number, since it uses as much as digits as its factorization.

163585334473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67389 (or 67367 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 163585334473 in words is "one hundred sixty-three billion, five hundred eighty-five million, three hundred thirty-four thousand, four hundred seventy-three".