168553842 has 16 divisors (see below), whose sum is σ = 337426560. Its totient is φ = 56131472.

The previous prime is 168553841. The next prime is 168553849. The reversal of 168553842 is 248355861.

168553842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168553794 and 168553803.

It is not an unprimeable number, because it can be changed into a prime (168553841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 19352.

It is an arithmetic number, because the mean of its divisors is an integer number (21089160).

Almost surely, 2^168553842 is an apocalyptic number.

168553842 is an abundant number, since it is smaller than the sum of its proper divisors (168872718).

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

168553842 is a wasteful number, since it uses less digits than its factorization.

168553842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26577.

The product of its digits is 230400, while the sum is 42.

The square root of 168553842 is about 12982.8287364503. The cubic root of 168553842 is about 552.3905225917.

The spelling of 168553842 in words is "one hundred sixty-eight million, five hundred fifty-three thousand, eight hundred forty-two".