168055406 has 16 divisors (see below), whose sum is σ = 267827040. Its totient is φ = 78936480.

The previous prime is 168055397. The next prime is 168055429. The reversal of 168055406 is 604550861.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37010 + ... + 41301.

It is an arithmetic number, because the mean of its divisors is an integer number (16739190).

Almost surely, 2^168055406 is an apocalyptic number.

168055406 is a deficient number, since it is larger than the sum of its proper divisors (99771634).

168055406 is a wasteful number, since it uses less digits than its factorization.

168055406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78379.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 168055406 is about 12963.6185534750. The cubic root of 168055406 is about 551.8454877173.

The spelling of 168055406 in words is "one hundred sixty-eight million, fifty-five thousand, four hundred six".