168132242 has 16 divisors (see below), whose sum is σ = 254670720. Its totient is φ = 83245968.

The previous prime is 168132229. The next prime is 168132247. The reversal of 168132242 is 242231861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (168132247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 114509 + ... + 115967.

It is an arithmetic number, because the mean of its divisors is an integer number (15916920).

Almost surely, 2^168132242 is an apocalyptic number.

168132242 is a deficient number, since it is larger than the sum of its proper divisors (86538478).

168132242 is a wasteful number, since it uses less digits than its factorization.

168132242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its digits is 4608, while the sum is 29.

The square root of 168132242 is about 12966.5817392249. The cubic root of 168132242 is about 551.9295773249.

The spelling of 168132242 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, two hundred forty-two".