16868683500017 has 8 divisors (see below), whose sum is σ = 18037800180072. Its totient is φ = 15719215840000.

The previous prime is 16868683500013. The next prime is 16868683500047. The reversal of 16868683500017 is 71000538686861.

It can be written as a sum of positive squares in 4 ways, for example, as 14455386496576 + 2413297003441 = 3802024^2 + 1553479^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16868683500017 - 2² = 16868683500013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16868683500013) 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, 4912253234 + ... + 4912256667.

It is an arithmetic number, because the mean of its divisors is an integer number (2254725022509).

Almost surely, 2^{16868683500017} is an apocalyptic number.

16868683500017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16868683500017 is a deficient number, since it is larger than the sum of its proper divisors (1169116680055).

16868683500017 is a wasteful number, since it uses less digits than its factorization.

16868683500017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824510019.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 16868683500017 in words is "sixteen trillion, eight hundred sixty-eight billion, six hundred eighty-three million, five hundred thousand, seventeen".