16543726241 has 8 divisors (see below), whose sum is σ = 19074436224. Its totient is φ = 14054846400.

The previous prime is 16543726237. The next prime is 16543726267. The reversal of 16543726241 is 14262734561.

16543726241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16543726241 - 2² = 16543726237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16543726211) 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 7 ways as a sum of consecutive naturals, for example, 10456685 + ... + 10458266.

It is an arithmetic number, because the mean of its divisors is an integer number (2384304528).

Almost surely, 2^16543726241 is an apocalyptic number.

It is an amenable number.

16543726241 is a deficient number, since it is larger than the sum of its proper divisors (2530709983).

16543726241 is a wasteful number, since it uses less digits than its factorization.

16543726241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915071.

The product of its digits is 241920, while the sum is 41.

The spelling of 16543726241 in words is "sixteen billion, five hundred forty-three million, seven hundred twenty-six thousand, two hundred forty-one".