6559786480 has 80 divisors (see below), whose sum is σ = 17289205920. Its totient is φ = 2294590464.

The previous prime is 6559786451. The next prime is 6559786501. The reversal of 6559786480 is 846879556.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146227 + ... + 185746.

It is an arithmetic number, because the mean of its divisors is an integer number (216115074).

Almost surely, 2^6559786480 is an apocalyptic number.

It is an amenable number.

6559786480 is an abundant number, since it is smaller than the sum of its proper divisors (10729419440).

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

6559786480 is a wasteful number, since it uses less digits than its factorization.

6559786480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332018 (or 332012 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The square root of 6559786480 is about 80992.5087893936. The cubic root of 6559786480 is about 1871.9600141823.

The spelling of 6559786480 in words is "six billion, five hundred fifty-nine million, seven hundred eighty-six thousand, four hundred eighty".