17682860668 has 12 divisors (see below), whose sum is σ = 33758188632. Its totient is φ = 8037663920.

The previous prime is 17682860659. The next prime is 17682860719. The reversal of 17682860668 is 86606828671.

It is a super-2 number, since 2×17682860668² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200941555 + ... + 200941642.

It is an arithmetic number, because the mean of its divisors is an integer number (2813182386).

Almost surely, 2^17682860668 is an apocalyptic number.

It is an amenable number.

17682860668 is a deficient number, since it is larger than the sum of its proper divisors (16075327964).

17682860668 is a wasteful number, since it uses less digits than its factorization.

17682860668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401883212 (or 401883210 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 17682860668 in words is "seventeen billion, six hundred eighty-two million, eight hundred sixty thousand, six hundred sixty-eight".