13161562322 has 4 divisors (see below), whose sum is σ = 19742343486. Its totient is φ = 6580781160.

The previous prime is 13161562319. The next prime is 13161562423. The reversal of 13161562322 is 22326516131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22326516131 = 409 ⋅54588059.

It can be written as a sum of positive squares in only one way, i.e., 13160907841 + 654481 = 114721^2 + 809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3290390579 + ... + 3290390582.

Almost surely, 2^13161562322 is an apocalyptic number.

13161562322 is a deficient number, since it is larger than the sum of its proper divisors (6580781164).

13161562322 is an equidigital number, since it uses as much as digits as its factorization.

13161562322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580781163.

The product of its digits is 12960, while the sum is 32.

The spelling of 13161562322 in words is "thirteen billion, one hundred sixty-one million, five hundred sixty-two thousand, three hundred twenty-two".