168485317 has 32 divisors (see below), whose sum is σ = 239549184. Its totient is φ = 114048000.

The previous prime is 168485267. The next prime is 168485321. The reversal of 168485317 is 713584861.

It is a de Polignac number, because none of the positive numbers 2^k-168485317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168485377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12067 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (7485912).

Almost surely, 2^168485317 is an apocalyptic number.

168485317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

168485317 is a deficient number, since it is larger than the sum of its proper divisors (71063867).

168485317 is a wasteful number, since it uses less digits than its factorization.

168485317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949.

The product of its digits is 161280, while the sum is 43.

The square root of 168485317 is about 12980.1894053978. The cubic root of 168485317 is about 552.3156549394.

The spelling of 168485317 in words is "one hundred sixty-eight million, four hundred eighty-five thousand, three hundred seventeen".