16844660343 has 16 divisors (see below), whose sum is σ = 28520060160. Its totient is φ = 9625520088.

The previous prime is 16844660333. The next prime is 16844660359. The reversal of 16844660343 is 34306644861.

It is a happy number.

16844660343 is a `hidden beast` number, since 168 + 446 + 6 + 0 + 3 + 43 = 666.

It is not a de Polignac number, because 16844660343 - 2⁶ = 16844660279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16844660333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44562405 + ... + 44562782.

It is an arithmetic number, because the mean of its divisors is an integer number (1782503760).

Almost surely, 2^16844660343 is an apocalyptic number.

16844660343 is a deficient number, since it is larger than the sum of its proper divisors (11675399817).

16844660343 is an equidigital number, since it uses as much as digits as its factorization.

16844660343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89125203 (or 89125197 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 16844660343 in words is "sixteen billion, eight hundred forty-four million, six hundred sixty thousand, three hundred forty-three".