17990558801368 has 32 divisors (see below), whose sum is σ = 34066818126000. Its totient is φ = 8906076777600.

The previous prime is 17990558801353. The next prime is 17990558801381. The reversal of 17990558801368 is 86310885509971.

It is a super-3 number, since 3×17990558801368³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17990558801297 and 17990558801306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66977638 + ... + 67245706.

Almost surely, 2^{17990558801368} is an apocalyptic number.

It is an amenable number.

17990558801368 is a deficient number, since it is larger than the sum of its proper divisors (16076259324632).

17990558801368 is a wasteful number, since it uses less digits than its factorization.

17990558801368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351235 (or 351231 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 70.

The spelling of 17990558801368 in words is "seventeen trillion, nine hundred ninety billion, five hundred fifty-eight million, eight hundred one thousand, three hundred sixty-eight".