168368855398 has 8 divisors (see below), whose sum is σ = 252557944992. Its totient is φ = 84182873736.

The previous prime is 168368855351. The next prime is 168368855401. The reversal of 168368855398 is 893558863861.

It is a happy number.

168368855398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 636465 + ... + 861292.

It is an arithmetic number, because the mean of its divisors is an integer number (31569743124).

Almost surely, 2^168368855398 is an apocalyptic number.

168368855398 is a deficient number, since it is larger than the sum of its proper divisors (84189089594).

168368855398 is a wasteful number, since it uses less digits than its factorization.

168368855398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553966.

The product of its digits is 298598400, while the sum is 70.

The spelling of 168368855398 in words is "one hundred sixty-eight billion, three hundred sixty-eight million, eight hundred fifty-five thousand, three hundred ninety-eight".