6655602688 has 52 divisors (see below), whose sum is σ = 15211014640. Its totient is φ = 2852388864.

The previous prime is 6655602671. The next prime is 6655602719. The reversal of 6655602688 is 8862065566.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87393 + ... + 144736.

Almost surely, 2^6655602688 is an apocalyptic number.

It is an amenable number.

6655602688 is an abundant number, since it is smaller than the sum of its proper divisors (8555411952).

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

6655602688 is an equidigital number, since it uses as much as digits as its factorization.

6655602688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232160 (or 232138 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The square root of 6655602688 is about 81581.8772032122. The cubic root of 6655602688 is about 1881.0303210069.

The spelling of 6655602688 in words is "six billion, six hundred fifty-five million, six hundred two thousand, six hundred eighty-eight".