16566065143 has 2 divisors, whose sum is σ = 16566065144. Its totient is φ = 16566065142.

The previous prime is 16566065099. The next prime is 16566065149. The reversal of 16566065143 is 34156066561.

It is a strong prime.

It is an emirp because it is prime and its reverse (34156066561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16566065143 - 2¹⁷ = 16565934071 is a prime.

It is a super-2 number, since 2×16566065143² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16566065143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16566065149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8283032571 + 8283032572.

It is an arithmetic number, because the mean of its divisors is an integer number (8283032572).

Almost surely, 2^16566065143 is an apocalyptic number.

16566065143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16566065143 is an equidigital number, since it uses as much as digits as its factorization.

16566065143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 16566065143 in words is "sixteen billion, five hundred sixty-six million, sixty-five thousand, one hundred forty-three".