168986986874 has 8 divisors (see below), whose sum is σ = 255941456160. Its totient is φ = 83673168156.

The previous prime is 168986986871. The next prime is 168986986933. The reversal of 168986986874 is 478689689861.

168986986874 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 not an unprimeable number, because it can be changed into a prime (168986986871) by changing a digit.

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, 410162384 + ... + 410162795.

It is an arithmetic number, because the mean of its divisors is an integer number (31992682020).

Almost surely, 2^168986986874 is an apocalyptic number.

168986986874 is a deficient number, since it is larger than the sum of its proper divisors (86954469286).

168986986874 is a wasteful number, since it uses less digits than its factorization.

168986986874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820325284.

The product of its digits is 2006581248, while the sum is 80.

The spelling of 168986986874 in words is "one hundred sixty-eight billion, nine hundred eighty-six million, nine hundred eighty-six thousand, eight hundred seventy-four".