16768818108617 has 8 divisors (see below), whose sum is σ = 17311056618240. Its totient is φ = 16226661404880.

The previous prime is 16768818108613. The next prime is 16768818108649. The reversal of 16768818108617 is 71680181886761.

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

It is not a de Polignac number, because 16768818108617 - 2² = 16768818108613 is a prime.

It is a super-3 number, since 3×16768818108617³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16768818108613) 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, 20034743 + ... + 20854940.

It is an arithmetic number, because the mean of its divisors is an integer number (2163882077280).

Almost surely, 2^{16768818108617} is an apocalyptic number.

It is an amenable number.

16768818108617 is a deficient number, since it is larger than the sum of its proper divisors (542238509623).

16768818108617 is a wasteful number, since it uses less digits than its factorization.

16768818108617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40902943.

The product of its (nonzero) digits is 43352064, while the sum is 68.

The spelling of 16768818108617 in words is "sixteen trillion, seven hundred sixty-eight billion, eight hundred eighteen million, one hundred eight thousand, six hundred seventeen".