168341668426 has 8 divisors (see below), whose sum is σ = 252664349184. Its totient is φ = 84120218700.

The previous prime is 168341668381. The next prime is 168341668433. The reversal of 168341668426 is 624866143861.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25303600 + ... + 25310251.

It is an arithmetic number, because the mean of its divisors is an integer number (31583043648).

Almost surely, 2^168341668426 is an apocalyptic number.

168341668426 is a deficient number, since it is larger than the sum of its proper divisors (84322680758).

168341668426 is a wasteful number, since it uses less digits than its factorization.

168341668426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615516.

The product of its digits is 7962624, while the sum is 55.

The spelling of 168341668426 in words is "one hundred sixty-eight billion, three hundred forty-one million, six hundred sixty-eight thousand, four hundred twenty-six".