168442034 has 16 divisors (see below), whose sum is σ = 269809920. Its totient is φ = 78692880.

The previous prime is 168442009. The next prime is 168442037. The reversal of 168442034 is 430244861.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168442037) by changing a digit.

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, 45044 + ... + 48639.

It is an arithmetic number, because the mean of its divisors is an integer number (16863120).

Almost surely, 2^168442034 is an apocalyptic number.

168442034 is a deficient number, since it is larger than the sum of its proper divisors (101367886).

168442034 is a wasteful number, since it uses less digits than its factorization.

168442034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93745.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 168442034 is about 12978.5220267949. The cubic root of 168442034 is about 552.2683552175.

Adding to 168442034 its reverse (430244861), we get a palindrome (598686895).

The spelling of 168442034 in words is "one hundred sixty-eight million, four hundred forty-two thousand, thirty-four".