6680066626 has 32 divisors (see below), whose sum is σ = 10746576000. Its totient is φ = 3104956800.

The previous prime is 6680066623. The next prime is 6680066647. The reversal of 6680066626 is 6266600866.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6680066621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545976 + ... + 558076.

It is an arithmetic number, because the mean of its divisors is an integer number (335830500).

Almost surely, 2^6680066626 is an apocalyptic number.

6680066626 is a deficient number, since it is larger than the sum of its proper divisors (4066509374).

6680066626 is a wasteful number, since it uses less digits than its factorization.

6680066626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12394.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 6680066626 is about 81731.6745576646. The cubic root of 6680066626 is about 1883.3321982990.

The spelling of 6680066626 in words is "six billion, six hundred eighty million, sixty-six thousand, six hundred twenty-six".