16338395744 has 144 divisors (see below), whose sum is σ = 36980213760. Its totient is φ = 7091884800.

The previous prime is 16338395719. The next prime is 16338395747. The reversal of 16338395744 is 44759383361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338395747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9481667 + ... + 9483389.

It is an arithmetic number, because the mean of its divisors is an integer number (256807040).

Almost surely, 2^16338395744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16338395744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18490106880).

16338395744 is an abundant number, since it is smaller than the sum of its proper divisors (20641818016).

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

16338395744 is a wasteful number, since it uses less digits than its factorization.

16338395744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1846 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The spelling of 16338395744 in words is "sixteen billion, three hundred thirty-eight million, three hundred ninety-five thousand, seven hundred forty-four".