6699966698 has 16 divisors (see below), whose sum is σ = 10569885696. Its totient is φ = 3180749520.

The previous prime is 6699966683. The next prime is 6699966703. The reversal of 6699966698 is 8966699966.

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 7 ways as a sum of consecutive naturals, for example, 1016186 + ... + 1022757.

It is an arithmetic number, because the mean of its divisors is an integer number (660617856).

Almost surely, 2^6699966698 is an apocalyptic number.

6699966698 is a deficient number, since it is larger than the sum of its proper divisors (3869918998).

6699966698 is a wasteful number, since it uses less digits than its factorization.

6699966698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039029.

The product of its digits is 408146688, while the sum is 74.

The square root of 6699966698 is about 81853.3242941299. The cubic root of 6699966698 is about 1885.2005075804.

The spelling of 6699966698 in words is "six billion, six hundred ninety-nine million, nine hundred sixty-six thousand, six hundred ninety-eight".