6555680 has 24 divisors (see below), whose sum is σ = 15488172. Its totient is φ = 2622208.

The previous prime is 6555677. The next prime is 6555683. The reversal of 6555680 is 865556.

6555680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6555677) and next prime (6555683).

It can be written as a sum of positive squares in 2 ways, for example, as 6130576 + 425104 = 2476^2 + 652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6555680.

It is not an unprimeable number, because it can be changed into a prime (6555683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20327 + ... + 20646.

Almost surely, 2^6555680 is an apocalyptic number.

It is an amenable number.

6555680 is an abundant number, since it is smaller than the sum of its proper divisors (8932492).

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

6555680 is a wasteful number, since it uses less digits than its factorization.

6555680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40988 (or 40980 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 6555680 is about 2560.4062177709. The cubic root of 6555680 is about 187.1569311882.

The spelling of 6555680 in words is "six million, five hundred fifty-five thousand, six hundred eighty".