6663717038 has 16 divisors (see below), whose sum is σ = 10925705520. Its totient is φ = 3023006400.

The previous prime is 6663717013. The next prime is 6663717041. The reversal of 6663717038 is 8307173666.

It is a junction number, because it is equal to n+sod(n) for n = 6663716983 and 6663717001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 286343 + ... + 308738.

It is an arithmetic number, because the mean of its divisors is an integer number (682856595).

Almost surely, 2^6663717038 is an apocalyptic number.

6663717038 is a deficient number, since it is larger than the sum of its proper divisors (4261988482).

6663717038 is a wasteful number, since it uses less digits than its factorization.

6663717038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595603.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 6663717038 is about 81631.5933814844. The cubic root of 6663717038 is about 1881.7944461308.

The spelling of 6663717038 in words is "six billion, six hundred sixty-three million, seven hundred seventeen thousand, thirty-eight".