6655680360 has 256 divisors, whose sum is σ = 25662873600. Its totient is φ = 1502827776.

The previous prime is 6655680359. The next prime is 6655680457. The reversal of 6655680360 is 630865566.

6655680360 is a `hidden beast` number, since 66 + 556 + 8 + 0 + 36 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 622177 + ... + 632783.

It is an arithmetic number, because the mean of its divisors is an integer number (100245600).

Almost surely, 2^6655680360 is an apocalyptic number.

6655680360 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 6655680360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12831436800).

6655680360 is an abundant number, since it is smaller than the sum of its proper divisors (19007193240).

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

6655680360 is a wasteful number, since it uses less digits than its factorization.

6655680360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717 (or 10707 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 6655680360 is about 81582.3532389205. The cubic root of 6655680360 is about 1881.0376382916.

The spelling of 6655680360 in words is "six billion, six hundred fifty-five million, six hundred eighty thousand, three hundred sixty".