6668998060 has 12 divisors (see below), whose sum is σ = 14004895968. Its totient is φ = 2667599216.

The previous prime is 6668997991. The next prime is 6668998069. The reversal of 6668998060 is 608998666.

It is a junction number, because it is equal to n+sod(n) for n = 6668997986 and 6668998004.

It is not an unprimeable number, because it can be changed into a prime (6668998069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166724932 + ... + 166724971.

It is an arithmetic number, because the mean of its divisors is an integer number (1167074664).

Almost surely, 2^6668998060 is an apocalyptic number.

It is an amenable number.

6668998060 is an abundant number, since it is smaller than the sum of its proper divisors (7335897908).

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

6668998060 is a wasteful number, since it uses less digits than its factorization.

6668998060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333449912 (or 333449910 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 58.

The square root of 6668998060 is about 81663.9336549495. The cubic root of 6668998060 is about 1882.2914247049.

The spelling of 6668998060 in words is "six billion, six hundred sixty-eight million, nine hundred ninety-eight thousand, sixty".