168342322 has 4 divisors (see below), whose sum is σ = 252513486. Its totient is φ = 84171160.

The previous prime is 168342311. The next prime is 168342331. The reversal of 168342322 is 223243861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 168246841 + 95481 = 12971^2 + 309^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 42085579 + ... + 42085582.

Almost surely, 2^168342322 is an apocalyptic number.

168342322 is a deficient number, since it is larger than the sum of its proper divisors (84171164).

168342322 is an equidigital number, since it uses as much as digits as its factorization.

168342322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84171163.

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

The square root of 168342322 is about 12974.6800345904. The cubic root of 168342322 is about 552.1593589641.

The spelling of 168342322 in words is "one hundred sixty-eight million, three hundred forty-two thousand, three hundred twenty-two".