16560320224 has 96 divisors (see below), whose sum is σ = 37827578880. Its totient is φ = 6990077952.

The previous prime is 16560320221. The next prime is 16560320297. The reversal of 16560320224 is 42202306561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560320221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4451037 + ... + 4454755.

It is an arithmetic number, because the mean of its divisors is an integer number (394037280).

Almost surely, 2^16560320224 is an apocalyptic number.

16560320224 is a gapful number since it is divisible by the number (14) 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 16560320224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18913789440).

16560320224 is an abundant number, since it is smaller than the sum of its proper divisors (21267258656).

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

16560320224 is a wasteful number, since it uses less digits than its factorization.

16560320224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 16560320224 its reverse (42202306561), we get a palindrome (58762626785).

The spelling of 16560320224 in words is "sixteen billion, five hundred sixty million, three hundred twenty thousand, two hundred twenty-four".