6663847634 has 16 divisors (see below), whose sum is σ = 10027648800. Its totient is φ = 3321310944.

The previous prime is 6663847613. The next prime is 6663847651. The reversal of 6663847634 is 4367483666.

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, 1656077 + ... + 1660095.

It is an arithmetic number, because the mean of its divisors is an integer number (626728050).

Almost surely, 2^6663847634 is an apocalyptic number.

6663847634 is a deficient number, since it is larger than the sum of its proper divisors (3363801166).

6663847634 is a wasteful number, since it uses less digits than its factorization.

6663847634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its digits is 10450944, while the sum is 53.

The square root of 6663847634 is about 81632.3932884489. The cubic root of 6663847634 is about 1881.8067392309.

The spelling of 6663847634 in words is "six billion, six hundred sixty-three million, eight hundred forty-seven thousand, six hundred thirty-four".