6655459560 has 64 divisors (see below), whose sum is σ = 19972742400. Its totient is φ = 1774223616.

The previous prime is 6655459553. The next prime is 6655459571. The reversal of 6655459560 is 659545566.

It is a Cunningham number, because it is equal to 81581²-1.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482682 + ... + 496278.

It is an arithmetic number, because the mean of its divisors is an integer number (312074100).

Almost surely, 2^6655459560 is an apocalyptic number.

6655459560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6655459560 is an abundant number, since it is smaller than the sum of its proper divisors (13317282840).

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

6655459560 is a wasteful number, since it uses less digits than its factorization.

6655459560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17690 (or 17686 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 51.

The square root of 6655459560 is about 81580.9999938711. Note that the first 5 decimals coincide. The cubic root of 6655459560 is about 1881.0168371272.

The spelling of 6655459560 in words is "six billion, six hundred fifty-five million, four hundred fifty-nine thousand, five hundred sixty".