16536240556743 has 4 divisors (see below), whose sum is σ = 22048320742328. Its totient is φ = 11024160371160.

The previous prime is 16536240556741. The next prime is 16536240556757. The reversal of 16536240556743 is 34765504263561.

16536240556743 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 16536240556743 - 2¹ = 16536240556741 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 (16536240556741) 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, 2756040092788 + ... + 2756040092793.

It is an arithmetic number, because the mean of its divisors is an integer number (5512080185582).

Almost surely, 2^{16536240556743} is an apocalyptic number.

16536240556743 is a deficient number, since it is larger than the sum of its proper divisors (5512080185585).

16536240556743 is an equidigital number, since it uses as much as digits as its factorization.

16536240556743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512080185584.

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 16536240556743 in words is "sixteen trillion, five hundred thirty-six billion, two hundred forty million, five hundred fifty-six thousand, seven hundred forty-three".