168196194 has 24 divisors (see below), whose sum is σ = 380270592. Its totient is φ = 53627640.

The previous prime is 168196187. The next prime is 168196199. The reversal of 168196194 is 491691861.

168196194 is a `hidden beast` number, since 16 + 8 + 19 + 619 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (168196199) 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 11 ways as a sum of consecutive naturals, for example, 202722 + ... + 203549.

It is an arithmetic number, because the mean of its divisors is an integer number (15844608).

Almost surely, 2^168196194 is an apocalyptic number.

168196194 is an abundant number, since it is smaller than the sum of its proper divisors (212074398).

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

168196194 is a wasteful number, since it uses less digits than its factorization.

168196194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406302 (or 406299 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 168196194 is about 12969.0475363459. The cubic root of 168196194 is about 551.9995471011. Note that the first 3 decimals are identical.

The spelling of 168196194 in words is "one hundred sixty-eight million, one hundred ninety-six thousand, one hundred ninety-four".