12164614447543 has 2 divisors, whose sum is σ = 12164614447544. Its totient is φ = 12164614447542.

The previous prime is 12164614447523. The next prime is 12164614447607. The reversal of 12164614447543 is 34574441646121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12164614447543 - 2²⁹ = 12164077576631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12164614447523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082307223771 + 6082307223772.

It is an arithmetic number, because the mean of its divisors is an integer number (6082307223772).

Almost surely, 2^{12164614447543} is an apocalyptic number.

12164614447543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164614447543 is an equidigital number, since it uses as much as digits as its factorization.

12164614447543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 52.

The spelling of 12164614447543 in words is "twelve trillion, one hundred sixty-four billion, six hundred fourteen million, four hundred forty-seven thousand, five hundred forty-three".