16117713943 has 4 divisors (see below), whose sum is σ = 16130142160. Its totient is φ = 16105285728.

The previous prime is 16117713929. The next prime is 16117713947. The reversal of 16117713943 is 34931771161.

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

It is a cyclic number.

It is not a de Polignac number, because 16117713943 - 2²¹ = 16115616791 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 16117713943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117713947) 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, 6212163 + ... + 6214756.

It is an arithmetic number, because the mean of its divisors is an integer number (4032535540).

Almost surely, 2^16117713943 is an apocalyptic number.

16117713943 is a deficient number, since it is larger than the sum of its proper divisors (12428217).

16117713943 is a wasteful number, since it uses less digits than its factorization.

16117713943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12428216.

The product of its digits is 95256, while the sum is 43.

The spelling of 16117713943 in words is "sixteen billion, one hundred seventeen million, seven hundred thirteen thousand, nine hundred forty-three".