168590214 has 128 divisors (see below), whose sum is σ = 426639360. Its totient is φ = 48988800.

The previous prime is 168590189. The next prime is 168590231. The reversal of 168590214 is 412095861.

168590214 is a `hidden beast` number, since 1 + 68 + 590 + 2 + 1 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 1327419 + ... + 1327545.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2^168590214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168590214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213319680).

168590214 is an abundant number, since it is smaller than the sum of its proper divisors (258049146).

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

168590214 is a wasteful number, since it uses less digits than its factorization.

168590214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 168590214 is about 12984.2294342021. The cubic root of 168590214 is about 552.4302529292.

The spelling of 168590214 in words is "one hundred sixty-eight million, five hundred ninety thousand, two hundred fourteen".