168340342 has 32 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 77209920.

The previous prime is 168340339. The next prime is 168340391. The reversal of 168340342 is 243043861.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 259863 + ... + 260509.

It is an arithmetic number, because the mean of its divisors is an integer number (8573040).

Almost surely, 2^168340342 is an apocalyptic number.

168340342 is a deficient number, since it is larger than the sum of its proper divisors (105996938).

168340342 is a wasteful number, since it uses less digits than its factorization.

168340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 168340342 is about 12974.6037319064. The cubic root of 168340342 is about 552.1571941691.

It can be divided in two parts, 1683 and 40342, that added together give a square (42025 = 205²).

The spelling of 168340342 in words is "one hundred sixty-eight million, three hundred forty thousand, three hundred forty-two".