16544344896 has 84 divisors (see below), whose sum is σ = 47762769600. Its totient is φ = 5475080448.

The previous prime is 16544344891. The next prime is 16544344897. The reversal of 16544344896 is 69844344561.

16544344896 is a `hidden beast` number, since 1 + 6 + 544 + 3 + 4 + 4 + 8 + 96 = 666.

16544344896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544344891) 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, 23256 + ... + 183383.

It is an arithmetic number, because the mean of its divisors is an integer number (568604400).

Almost surely, 2^16544344896 is an apocalyptic number.

16544344896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16544344896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23881384800).

16544344896 is an abundant number, since it is smaller than the sum of its proper divisors (31218424704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16544344896 is a wasteful number, since it uses less digits than its factorization.

16544344896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206796 (or 206783 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 16544344896 in words is "sixteen billion, five hundred forty-four million, three hundred forty-four thousand, eight hundred ninety-six".