6628633068 has 12 divisors (see below), whose sum is σ = 15466810520. Its totient is φ = 2209544352.

The previous prime is 6628633049. The next prime is 6628633079. The reversal of 6628633068 is 8603368266.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276193033 + ... + 276193056.

Almost surely, 2^6628633068 is an apocalyptic number.

It is an amenable number.

6628633068 is an abundant number, since it is smaller than the sum of its proper divisors (8838177452).

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

6628633068 is a wasteful number, since it uses less digits than its factorization.

6628633068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552386096 (or 552386094 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 6628633068 is about 81416.4176809567. The cubic root of 6628633068 is about 1878.4861311419.

The spelling of 6628633068 in words is "six billion, six hundred twenty-eight million, six hundred thirty-three thousand, sixty-eight".