16042338638443 has 16 divisors (see below), whose sum is σ = 17299950990336. Its totient is φ = 14788102857120.

The previous prime is 16042338638429. The next prime is 16042338638489. The reversal of 16042338638443 is 34483683324061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16042338638443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16042338638243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55175896 + ... + 55465882.

It is an arithmetic number, because the mean of its divisors is an integer number (1081246936896).

Almost surely, 2^{16042338638443} is an apocalyptic number.

16042338638443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16042338638443 is a deficient number, since it is larger than the sum of its proper divisors (1257612351893).

16042338638443 is a wasteful number, since it uses less digits than its factorization.

16042338638443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295794.

The product of its (nonzero) digits is 23887872, while the sum is 55.

The spelling of 16042338638443 in words is "sixteen trillion, forty-two billion, three hundred thirty-eight million, six hundred thirty-eight thousand, four hundred forty-three".