16560448 has 56 divisors (see below), whose sum is σ = 35990784. Its totient is φ = 7526400.

The previous prime is 16560413. The next prime is 16560451. The reversal of 16560448 is 84406561.

It is a super-4 number, since 4×16560448⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33483 + ... + 33973.

Almost surely, 2^16560448 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 16560448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17995392).

16560448 is an abundant number, since it is smaller than the sum of its proper divisors (19430336).

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

16560448 is a wasteful number, since it uses less digits than its factorization.

16560448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 16560448 is about 4069.4530344998. The cubic root of 16560448 is about 254.8926781493.

The spelling of 16560448 in words is "sixteen million, five hundred sixty thousand, four hundred forty-eight".