6663165982 has 16 divisors (see below), whose sum is σ = 10907479152. Its totient is φ = 3027568320.

The previous prime is 6663165961. The next prime is 6663166021. The reversal of 6663165982 is 2895613666.

It is a congruent number.

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, 3868 + ... + 115504.

It is an arithmetic number, because the mean of its divisors is an integer number (681717447).

Almost surely, 2^6663165982 is an apocalyptic number.

6663165982 is a deficient number, since it is larger than the sum of its proper divisors (4244313170).

6663165982 is a wasteful number, since it uses less digits than its factorization.

6663165982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114363.

The product of its digits is 2799360, while the sum is 52.

The square root of 6663165982 is about 81628.2180498876. The cubic root of 6663165982 is about 1881.7425730445.

The spelling of 6663165982 in words is "six billion, six hundred sixty-three million, one hundred sixty-five thousand, nine hundred eighty-two".