2655140663 has 16 divisors (see below), whose sum is σ = 3064174080. Its totient is φ = 2253636000.

The previous prime is 2655140659. The next prime is 2655140671. The reversal of 2655140663 is 3660415562.

It is a happy number.

It is not a de Polignac number, because 2655140663 - 2² = 2655140659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655140633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346073 + ... + 353661.

It is an arithmetic number, because the mean of its divisors is an integer number (191510880).

Almost surely, 2^2655140663 is an apocalyptic number.

2655140663 is a deficient number, since it is larger than the sum of its proper divisors (409033417).

2655140663 is a wasteful number, since it uses less digits than its factorization.

2655140663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2655140663 is about 51528.0570466227. The cubic root of 2655140663 is about 1384.7217421158.

The spelling of 2655140663 in words is "two billion, six hundred fifty-five million, one hundred forty thousand, six hundred sixty-three".