6560655120 has 120 divisors (see below), whose sum is σ = 22165206336. Its totient is φ = 1739000064.

The previous prime is 6560655119. The next prime is 6560655131. The reversal of 6560655120 is 215560656.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92959 + ... + 147521.

Almost surely, 2^6560655120 is an apocalyptic number.

6560655120 is a gapful number since it is divisible by the number (60) 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 6560655120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11082603168).

6560655120 is an abundant number, since it is smaller than the sum of its proper divisors (15604551216).

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

6560655120 is a wasteful number, since it uses less digits than its factorization.

6560655120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54749 (or 54740 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 6560655120 is about 80997.8710831340. The cubic root of 6560655120 is about 1872.0426381917.

The spelling of 6560655120 in words is "six billion, five hundred sixty million, six hundred fifty-five thousand, one hundred twenty".