13327448161 has 4 divisors (see below), whose sum is σ = 13331656900. Its totient is φ = 13323239424.

The previous prime is 13327448083. The next prime is 13327448207. The reversal of 13327448161 is 16184472331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16184472331 = 1847 ⋅8762573.

It can be written as a sum of positive squares in 2 ways, for example, as 5939014225 + 7388433936 = 77065^2 + 85956^2 .

It is a cyclic number.

It is not a de Polignac number, because 13327448161 - 2³³ = 4737513569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13327448261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099616 + ... + 2105953.

It is an arithmetic number, because the mean of its divisors is an integer number (3332914225).

Almost surely, 2^13327448161 is an apocalyptic number.

It is an amenable number.

13327448161 is a deficient number, since it is larger than the sum of its proper divisors (4208739).

13327448161 is an equidigital number, since it uses as much as digits as its factorization.

13327448161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208738.

The product of its digits is 96768, while the sum is 40.

The spelling of 13327448161 in words is "thirteen billion, three hundred twenty-seven million, four hundred forty-eight thousand, one hundred sixty-one".