16143987263 has 2 divisors, whose sum is σ = 16143987264. Its totient is φ = 16143987262.

The previous prime is 16143987229. The next prime is 16143987271. The reversal of 16143987263 is 36278934161.

16143987263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16143987263 - 2⁶ = 16143987199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16143987283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8071993631 + 8071993632.

It is an arithmetic number, because the mean of its divisors is an integer number (8071993632).

Almost surely, 2^16143987263 is an apocalyptic number.

16143987263 is a deficient number, since it is larger than the sum of its proper divisors (1).

16143987263 is an equidigital number, since it uses as much as digits as its factorization.

16143987263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The spelling of 16143987263 in words is "sixteen billion, one hundred forty-three million, nine hundred eighty-seven thousand, two hundred sixty-three".