13161622073 has 4 divisors (see below), whose sum is σ = 13615471140. Its totient is φ = 12707773008.

The previous prime is 13161622063. The next prime is 13161622081. The reversal of 13161622073 is 37022616131.

13161622073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7478271529 + 5683350544 = 86477^2 + 75388^2 .

It is a cyclic number.

It is not a de Polignac number, because 13161622073 - 2⁴ = 13161622057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161622063) 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 3 ways as a sum of consecutive naturals, for example, 226924490 + ... + 226924547.

It is an arithmetic number, because the mean of its divisors is an integer number (3403867785).

Almost surely, 2^13161622073 is an apocalyptic number.

It is an amenable number.

13161622073 is a deficient number, since it is larger than the sum of its proper divisors (453849067).

13161622073 is an equidigital number, since it uses as much as digits as its factorization.

13161622073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453849066.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 13161622073 in words is "thirteen billion, one hundred sixty-one million, six hundred twenty-two thousand, seventy-three".