16442663756143 has 2 divisors, whose sum is σ = 16442663756144. Its totient is φ = 16442663756142.

The previous prime is 16442663756087. The next prime is 16442663756171. The reversal of 16442663756143 is 34165736624461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442663756143 is a prime.

It is a super-3 number, since 3×16442663756143³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442663756443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221331878071 + 8221331878072.

It is an arithmetic number, because the mean of its divisors is an integer number (8221331878072).

Almost surely, 2^{16442663756143} is an apocalyptic number.

16442663756143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442663756143 is an equidigital number, since it uses as much as digits as its factorization.

16442663756143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 58.

The spelling of 16442663756143 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, seven hundred fifty-six thousand, one hundred forty-three".