6668580 has 24 divisors (see below), whose sum is σ = 18672192. Its totient is φ = 1778272.

The previous prime is 6668567. The next prime is 6668603. The reversal of 6668580 is 858666.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55512 + ... + 55631.

It is an arithmetic number, because the mean of its divisors is an integer number (778008).

Almost surely, 2^6668580 is an apocalyptic number.

6668580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6668580 is an abundant number, since it is smaller than the sum of its proper divisors (12003612).

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

6668580 is a wasteful number, since it uses less digits than its factorization.

6668580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111155 (or 111153 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6668580 is about 2582.3593862977. The cubic root of 6668580 is about 188.2252092100.

The spelling of 6668580 in words is "six million, six hundred sixty-eight thousand, five hundred eighty".