16549382560 has 96 divisors (see below), whose sum is σ = 39616601472. Its totient is φ = 6532531200.

The previous prime is 16549382501. The next prime is 16549382599. The reversal of 16549382560 is 6528394561.

16549382560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3790939 + ... + 3795301.

It is an arithmetic number, because the mean of its divisors is an integer number (412672932).

Almost surely, 2^16549382560 is an apocalyptic number.

16549382560 is a gapful number since it is divisible by the number (10) 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 16549382560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19808300736).

16549382560 is an abundant number, since it is smaller than the sum of its proper divisors (23067218912).

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

16549382560 is a wasteful number, since it uses less digits than its factorization.

16549382560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 16549382560 in words is "sixteen billion, five hundred forty-nine million, three hundred eighty-two thousand, five hundred sixty".