17016668685 has 12 divisors (see below), whose sum is σ = 29495559132. Its totient is φ = 9075556608.

The previous prime is 17016668681. The next prime is 17016668693. The reversal of 17016668685 is 58686661071.

17016668685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10865560644 + 6151108041 = 104238^2 + 78429^2 .

It is not a de Polignac number, because 17016668685 - 2² = 17016668681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17016668681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189074052 + ... + 189074141.

It is an arithmetic number, because the mean of its divisors is an integer number (2457963261).

Almost surely, 2^17016668685 is an apocalyptic number.

17016668685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17016668685 is a deficient number, since it is larger than the sum of its proper divisors (12478890447).

17016668685 is a wasteful number, since it uses less digits than its factorization.

17016668685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378148204 (or 378148201 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 17016668685 in words is "seventeen billion, sixteen million, six hundred sixty-eight thousand, six hundred eighty-five".