16205443244143 has 32 divisors (see below), whose sum is σ = 16745455254528. Its totient is φ = 15674846140800.

The previous prime is 16205443244057. The next prime is 16205443244167. The reversal of 16205443244143 is 34144234450261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16205443244143 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 16205443244143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205443244743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1587052308 + ... + 1587062518.

It is an arithmetic number, because the mean of its divisors is an integer number (523295476704).

Almost surely, 2^{16205443244143} is an apocalyptic number.

16205443244143 is a deficient number, since it is larger than the sum of its proper divisors (540012010385).

16205443244143 is a wasteful number, since it uses less digits than its factorization.

16205443244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 16205443244143 in words is "sixteen trillion, two hundred five billion, four hundred forty-three million, two hundred forty-four thousand, one hundred forty-three".