16641441236243 has 2 divisors, whose sum is σ = 16641441236244. Its totient is φ = 16641441236242.

The previous prime is 16641441236033. The next prime is 16641441236261. The reversal of 16641441236243 is 34263214414661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16641441236243 - 2¹⁰ = 16641441235219 is a prime.

It is not a weakly prime, because it can be changed into another prime (16641441236443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8320720618121 + 8320720618122.

It is an arithmetic number, because the mean of its divisors is an integer number (8320720618122).

Almost surely, 2^{16641441236243} is an apocalyptic number.

16641441236243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16641441236243 is an equidigital number, since it uses as much as digits as its factorization.

16641441236243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 47.

The spelling of 16641441236243 in words is "sixteen trillion, six hundred forty-one billion, four hundred forty-one million, two hundred thirty-six thousand, two hundred forty-three".