168541422 has 32 divisors (see below), whose sum is σ = 386859264. Its totient is φ = 47952000.

The previous prime is 168541379. The next prime is 168541453. The reversal of 168541422 is 224145861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (12089352).

Almost surely, 2^168541422 is an apocalyptic number.

168541422 is an abundant number, since it is smaller than the sum of its proper divisors (218317842).

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

168541422 is a wasteful number, since it uses less digits than its factorization.

168541422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16904.

The product of its digits is 15360, while the sum is 33.

The square root of 168541422 is about 12982.3504035286. The cubic root of 168541422 is about 552.3769545062.

The spelling of 168541422 in words is "one hundred sixty-eight million, five hundred forty-one thousand, four hundred twenty-two".