16554546713543 has 2 divisors, whose sum is σ = 16554546713544. Its totient is φ = 16554546713542.

The previous prime is 16554546713527. The next prime is 16554546713563. The reversal of 16554546713543 is 34531764545561.

It is a weak prime.

It is an emirp because it is prime and its reverse (34531764545561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16554546713543 - 2⁴ = 16554546713527 is a prime.

It is a super-2 number, since 2×16554546713543² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16554546713563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277273356771 + 8277273356772.

It is an arithmetic number, because the mean of its divisors is an integer number (8277273356772).

Almost surely, 2^{16554546713543} is an apocalyptic number.

16554546713543 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554546713543 is an equidigital number, since it uses as much as digits as its factorization.

16554546713543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720000, while the sum is 59.

The spelling of 16554546713543 in words is "sixteen trillion, five hundred fifty-four billion, five hundred forty-six million, seven hundred thirteen thousand, five hundred forty-three".