16844968345 has 8 divisors (see below), whose sum is σ = 20214831240. Its totient is φ = 13475395200.

The previous prime is 16844968297. The next prime is 16844968369. The reversal of 16844968345 is 54386944861.

16844968345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1759970304 + 15084998041 = 41952^2 + 122821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16844968345 - 2⁹ = 16844967833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16844968345.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87621 + ... + 203389.

It is an arithmetic number, because the mean of its divisors is an integer number (2526853905).

Almost surely, 2^16844968345 is an apocalyptic number.

It is an amenable number.

16844968345 is a deficient number, since it is larger than the sum of its proper divisors (3369862895).

16844968345 is a wasteful number, since it uses less digits than its factorization.

16844968345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144875.

The product of its digits is 19906560, while the sum is 58.

The spelling of 16844968345 in words is "sixteen billion, eight hundred forty-four million, nine hundred sixty-eight thousand, three hundred forty-five".