6681466814 has 24 divisors (see below), whose sum is σ = 11020976904. Its totient is φ = 3035696400.

The previous prime is 6681466801. The next prime is 6681466901. The reversal of 6681466814 is 4186641866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730409 + ... + 739499.

It is an arithmetic number, because the mean of its divisors is an integer number (459207371).

Almost surely, 2^6681466814 is an apocalyptic number.

6681466814 is a deficient number, since it is larger than the sum of its proper divisors (4339510090).

6681466814 is a wasteful number, since it uses less digits than its factorization.

6681466814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152 (or 12141 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 6681466814 is about 81740.2398699686. The cubic root of 6681466814 is about 1883.4637755755.

The spelling of 6681466814 in words is "six billion, six hundred eighty-one million, four hundred sixty-six thousand, eight hundred fourteen".