168194122 has 8 divisors (see below), whose sum is σ = 257051556. Its totient is φ = 82510272.

The previous prime is 168194083. The next prime is 168194149. The reversal of 168194122 is 221491861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 150038001 + 18156121 = 12249^2 + 4261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793263 + ... + 793474.

Almost surely, 2^168194122 is an apocalyptic number.

168194122 is a deficient number, since it is larger than the sum of its proper divisors (88857434).

168194122 is a wasteful number, since it uses less digits than its factorization.

168194122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586792.

The product of its digits is 6912, while the sum is 34.

The square root of 168194122 is about 12968.9676535953. The cubic root of 168194122 is about 551.9972804074.

The spelling of 168194122 in words is "one hundred sixty-eight million, one hundred ninety-four thousand, one hundred twenty-two".