16113612243 has 4 divisors (see below), whose sum is σ = 21484816328. Its totient is φ = 10742408160.

The previous prime is 16113612239. The next prime is 16113612269. The reversal of 16113612243 is 34221631161.

16113612243 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 is not a de Polignac number, because 16113612243 - 2² = 16113612239 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 16113612243.

It is not an unprimeable number, because it can be changed into a prime (16113612143) 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, 2685602038 + ... + 2685602043.

It is an arithmetic number, because the mean of its divisors is an integer number (5371204082).

Almost surely, 2^16113612243 is an apocalyptic number.

16113612243 is a deficient number, since it is larger than the sum of its proper divisors (5371204085).

16113612243 is an equidigital number, since it uses as much as digits as its factorization.

16113612243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371204084.

The product of its digits is 5184, while the sum is 30.

The spelling of 16113612243 in words is "sixteen billion, one hundred thirteen million, six hundred twelve thousand, two hundred forty-three".