16868502003517 has 8 divisors (see below), whose sum is σ = 16880680463616. Its totient is φ = 16856324993472.

The previous prime is 16868502003407. The next prime is 16868502003523. The reversal of 16868502003517 is 71530020586861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16868502003517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868502003557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23476453 + ... + 24184309.

It is an arithmetic number, because the mean of its divisors is an integer number (2110085057952).

Almost surely, 2^{16868502003517} is an apocalyptic number.

It is an amenable number.

16868502003517 is a deficient number, since it is larger than the sum of its proper divisors (12178460099).

16868502003517 is a wasteful number, since it uses less digits than its factorization.

16868502003517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725027.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 16868502003517 in words is "sixteen trillion, eight hundred sixty-eight billion, five hundred two million, three thousand, five hundred seventeen".