168018266 has 16 divisors (see below), whose sum is σ = 283215744. Its totient is φ = 74175024.

The previous prime is 168018239. The next prime is 168018269. The reversal of 168018266 is 662810861.

168018266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (168018269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139886 + ... + 141081.

It is an arithmetic number, because the mean of its divisors is an integer number (17700984).

Almost surely, 2^168018266 is an apocalyptic number.

168018266 is a deficient number, since it is larger than the sum of its proper divisors (115197478).

168018266 is a wasteful number, since it uses less digits than its factorization.

168018266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281005.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 168018266 is about 12962.1860039115. The cubic root of 168018266 is about 551.8048323725.

The spelling of 168018266 in words is "one hundred sixty-eight million, eighteen thousand, two hundred sixty-six".