6663706834 has 8 divisors (see below), whose sum is σ = 10000689408. Its totient is φ = 3330143700.

The previous prime is 6663706813. The next prime is 6663706871. The reversal of 6663706834 is 4386073666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 849982 + ... + 857785.

It is an arithmetic number, because the mean of its divisors is an integer number (1250086176).

Almost surely, 2^6663706834 is an apocalyptic number.

6663706834 is a deficient number, since it is larger than the sum of its proper divisors (3336982574).

6663706834 is a wasteful number, since it uses less digits than its factorization.

6663706834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709720.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The square root of 6663706834 is about 81631.5308811491. The cubic root of 6663706834 is about 1881.7934856138.

The spelling of 6663706834 in words is "six billion, six hundred sixty-three million, seven hundred six thousand, eight hundred thirty-four".