168517103 has 4 divisors (see below), whose sum is σ = 168697128. Its totient is φ = 168337080.

The previous prime is 168517091. The next prime is 168517109. The reversal of 168517103 is 301715861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168517103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168517103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168517109) 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 3 ways as a sum of consecutive naturals, for example, 88601 + ... + 90482.

It is an arithmetic number, because the mean of its divisors is an integer number (42174282).

Almost surely, 2^168517103 is an apocalyptic number.

168517103 is a deficient number, since it is larger than the sum of its proper divisors (180025).

168517103 is an equidigital number, since it uses as much as digits as its factorization.

168517103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180024.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 168517103 is about 12981.4137519763. The cubic root of 168517103 is about 552.3503855652.

The spelling of 168517103 in words is "one hundred sixty-eight million, five hundred seventeen thousand, one hundred three".