2655566560 has 24 divisors (see below), whose sum is σ = 6273776376. Its totient is φ = 1062226560.

The previous prime is 2655566527. The next prime is 2655566567. The reversal of 2655566560 is 656655562.

It is a self number, because there is not a number n which added to its sum of digits gives 2655566560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655566567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8298486 + ... + 8298805.

It is an arithmetic number, because the mean of its divisors is an integer number (261407349).

Almost surely, 2^2655566560 is an apocalyptic number.

2655566560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655566560 is an abundant number, since it is smaller than the sum of its proper divisors (3618209816).

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

2655566560 is a wasteful number, since it uses less digits than its factorization.

2655566560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16597306 (or 16597298 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 46.

The square root of 2655566560 is about 51532.1895517743. The cubic root of 2655566560 is about 1384.7957767755.

The spelling of 2655566560 in words is "two billion, six hundred fifty-five million, five hundred sixty-six thousand, five hundred sixty".