6663069988 has 12 divisors (see below), whose sum is σ = 11931544240. Its totient is φ = 3254057352.

The previous prime is 6663069983. The next prime is 6663069989. The reversal of 6663069988 is 8899603666.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6663069983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19369218 + ... + 19369561.

Almost surely, 2^6663069988 is an apocalyptic number.

It is an amenable number.

6663069988 is a deficient number, since it is larger than the sum of its proper divisors (5268474252).

6663069988 is a wasteful number, since it uses less digits than its factorization.

6663069988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738826 (or 38738824 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 61.

The square root of 6663069988 is about 81627.6300525747. The cubic root of 6663069988 is about 1881.7335364562.

The spelling of 6663069988 in words is "six billion, six hundred sixty-three million, sixty-nine thousand, nine hundred eighty-eight".