16816912385 has 16 divisors (see below), whose sum is σ = 24837286656. Its totient is φ = 10644550848.

The previous prime is 16816912339. The next prime is 16816912393. The reversal of 16816912385 is 58321961861.

16816912385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16816912385 - 2¹⁰ = 16816911361 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 18479669 + ... + 18480578.

It is an arithmetic number, because the mean of its divisors is an integer number (1552330416).

Almost surely, 2^16816912385 is an apocalyptic number.

It is an amenable number.

16816912385 is a deficient number, since it is larger than the sum of its proper divisors (8020374271).

16816912385 is a wasteful number, since it uses less digits than its factorization.

16816912385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36960272.

The product of its digits is 622080, while the sum is 50.

The spelling of 16816912385 in words is "sixteen billion, eight hundred sixteen million, nine hundred twelve thousand, three hundred eighty-five".