2655653868 has 72 divisors (see below), whose sum is σ = 7682377248. Its totient is φ = 757721088.

The previous prime is 2655653867. The next prime is 2655653879. The reversal of 2655653868 is 8683565562.

2655653868 is a `hidden beast` number, since 2 + 6 + 556 + 5 + 3 + 86 + 8 = 666.

It is a super-2 number, since 2×2655653868² = 14104994933246722848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2655653867) 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 23 ways as a sum of consecutive naturals, for example, 187980 + ... + 201612.

It is an arithmetic number, because the mean of its divisors is an integer number (106699684).

Almost surely, 2^2655653868 is an apocalyptic number.

2655653868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2655653868 is an abundant number, since it is smaller than the sum of its proper divisors (5026723380).

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

2655653868 is a wasteful number, since it uses less digits than its factorization.

2655653868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423 (or 14418 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The square root of 2655653868 is about 51533.0366658127. The cubic root of 2655653868 is about 1384.8109527492.

The spelling of 2655653868 in words is "two billion, six hundred fifty-five million, six hundred fifty-three thousand, eight hundred sixty-eight".