168341186866 has 4 divisors (see below), whose sum is σ = 252511780302. Its totient is φ = 84170593432.

The previous prime is 168341186743. The next prime is 168341186899. The reversal of 168341186866 is 668681143861.

168341186866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 168112300225 + 228886641 = 410015^2 + 15129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168341186866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42085296715 + ... + 42085296718.

Almost surely, 2^168341186866 is an apocalyptic number.

168341186866 is a deficient number, since it is larger than the sum of its proper divisors (84170593436).

168341186866 is an equidigital number, since it uses as much as digits as its factorization.

168341186866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84170593435.

The product of its digits is 7962624, while the sum is 58.

The spelling of 168341186866 in words is "one hundred sixty-eight billion, three hundred forty-one million, one hundred eighty-six thousand, eight hundred sixty-six".