168344238 has 8 divisors (see below), whose sum is σ = 336688488. Its totient is φ = 56114744.

The previous prime is 168344227. The next prime is 168344263. The reversal of 168344238 is 832443861.

It is a happy number.

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

168344238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 168344196 and 168344205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14028681 + ... + 14028692.

It is an arithmetic number, because the mean of its divisors is an integer number (42086061).

Almost surely, 2^168344238 is an apocalyptic number.

168344238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168344238 is a wasteful number, since it uses less digits than its factorization.

168344238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28057378.

The product of its digits is 110592, while the sum is 39.

The square root of 168344238 is about 12974.7538704979. The cubic root of 168344238 is about 552.1614537697.

The spelling of 168344238 in words is "one hundred sixty-eight million, three hundred forty-four thousand, two hundred thirty-eight".