17663382668 has 6 divisors (see below), whose sum is σ = 30910919676. Its totient is φ = 8831691332.

The previous prime is 17663382593. The next prime is 17663382689. The reversal of 17663382668 is 86628336671.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2207922830 + ... + 2207922837.

It is an arithmetic number, because the mean of its divisors is an integer number (5151819946).

Almost surely, 2^17663382668 is an apocalyptic number.

It is an amenable number.

17663382668 is a deficient number, since it is larger than the sum of its proper divisors (13247537008).

17663382668 is a wasteful number, since it uses less digits than its factorization.

17663382668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415845671 (or 4415845669 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 17663382668 in words is "seventeen billion, six hundred sixty-three million, three hundred eighty-two thousand, six hundred sixty-eight".