16143926966831 has 2 divisors, whose sum is σ = 16143926966832. Its totient is φ = 16143926966830.

The previous prime is 16143926966807. The next prime is 16143926966837. The reversal of 16143926966831 is 13866962934161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16143926966831 - 2¹⁰ = 16143926965807 is a prime.

It is a super-2 number, since 2×16143926966831² (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 (16143926966837) 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, 8071963483415 + 8071963483416.

It is an arithmetic number, because the mean of its divisors is an integer number (8071963483416).

Almost surely, 2^{16143926966831} is an apocalyptic number.

16143926966831 is a deficient number, since it is larger than the sum of its proper divisors (1).

16143926966831 is an equidigital number, since it uses as much as digits as its factorization.

16143926966831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60466176, while the sum is 65.

The spelling of 16143926966831 in words is "sixteen trillion, one hundred forty-three billion, nine hundred twenty-six million, nine hundred sixty-six thousand, eight hundred thirty-one".