13161716247 has 8 divisors (see below), whose sum is σ = 17687136256. Its totient is φ = 8705386872.

The previous prime is 13161716201. The next prime is 13161716261. The reversal of 13161716247 is 74261716131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13161716247 - 2²⁰ = 13160667671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161716297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17272213 + ... + 17272974.

It is an arithmetic number, because the mean of its divisors is an integer number (2210892032).

Almost surely, 2^13161716247 is an apocalyptic number.

13161716247 is a deficient number, since it is larger than the sum of its proper divisors (4525420009).

13161716247 is a wasteful number, since it uses less digits than its factorization.

13161716247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545317.

The product of its digits is 42336, while the sum is 39.

The spelling of 13161716247 in words is "thirteen billion, one hundred sixty-one million, seven hundred sixteen thousand, two hundred forty-seven".