16680842343 has 12 divisors (see below), whose sum is σ = 26284963848. Its totient is φ = 10109601360.

The previous prime is 16680842317. The next prime is 16680842351. The reversal of 16680842343 is 34324808661.

16680842343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16680842343 - 2¹⁰ = 16680841319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680842303) 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 in 11 ways as a sum of consecutive naturals, for example, 84246580 + ... + 84246777.

It is an arithmetic number, because the mean of its divisors is an integer number (2190413654).

Almost surely, 2^16680842343 is an apocalyptic number.

16680842343 is a deficient number, since it is larger than the sum of its proper divisors (9604121505).

16680842343 is a wasteful number, since it uses less digits than its factorization.

16680842343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168493374 (or 168493371 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 16680842343 in words is "sixteen billion, six hundred eighty million, eight hundred forty-two thousand, three hundred forty-three".