22461434665543 has 16 divisors (see below), whose sum is σ = 24036925881024. Its totient is φ = 20914355404800.

The previous prime is 22461434665513. The next prime is 22461434665561. The reversal of 22461434665543 is 34556643416422.

It is a cyclic number.

It is not a de Polignac number, because 22461434665543 - 2⁹ = 22461434665031 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 (22461434665513) 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, 1818118 + ... + 6944668.

It is an arithmetic number, because the mean of its divisors is an integer number (1502307867564).

Almost surely, 2^{22461434665543} is an apocalyptic number.

22461434665543 is a deficient number, since it is larger than the sum of its proper divisors (1575491215481).

22461434665543 is a wasteful number, since it uses less digits than its factorization.

22461434665543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129322.

The product of its digits is 49766400, while the sum is 55.

The spelling of 22461434665543 in words is "twenty-two trillion, four hundred sixty-one billion, four hundred thirty-four million, six hundred sixty-five thousand, five hundred forty-three".