2655680565 has 32 divisors (see below), whose sum is σ = 4460544000. Its totient is φ = 1347428160.

The previous prime is 2655680557. The next prime is 2655680609. The reversal of 2655680565 is 5650865562.

2655680565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2655680565 - 2³ = 2655680557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20965 + ... + 75834.

It is an arithmetic number, because the mean of its divisors is an integer number (139392000).

Almost surely, 2^2655680565 is an apocalyptic number.

It is an amenable number.

2655680565 is a deficient number, since it is larger than the sum of its proper divisors (1804863435).

2655680565 is a wasteful number, since it uses less digits than its factorization.

2655680565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96897.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The square root of 2655680565 is about 51533.2956931730. The cubic root of 2655680565 is about 1384.8155931850.

The spelling of 2655680565 in words is "two billion, six hundred fifty-five million, six hundred eighty thousand, five hundred sixty-five".