168348194 has 16 divisors (see below), whose sum is σ = 289873728. Its totient is φ = 71830032.

The previous prime is 168348179. The next prime is 168348199. The reversal of 168348194 is 491843861.

It is a super-2 number, since 2×168348194² = 56682228846123272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168348199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23309 + ... + 29664.

It is an arithmetic number, because the mean of its divisors is an integer number (18117108).

Almost surely, 2^168348194 is an apocalyptic number.

168348194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168348194 is a deficient number, since it is larger than the sum of its proper divisors (121525534).

168348194 is a wasteful number, since it uses less digits than its factorization.

168348194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53209.

The product of its digits is 165888, while the sum is 44.

The square root of 168348194 is about 12974.9063195077. The cubic root of 168348194 is about 552.1657789026.

The spelling of 168348194 in words is "one hundred sixty-eight million, three hundred forty-eight thousand, one hundred ninety-four".