168799418 has 8 divisors (see below), whose sum is σ = 254898900. Its totient is φ = 83833120.

The previous prime is 168799373. The next prime is 168799453. The reversal of 168799418 is 814997861.

It can be written as a sum of positive squares in 2 ways, for example, as 144168049 + 24631369 = 12007^2 + 4963^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 168799418.

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, 282923 + ... + 283518.

Almost surely, 2^168799418 is an apocalyptic number.

168799418 is a deficient number, since it is larger than the sum of its proper divisors (86099482).

168799418 is a wasteful number, since it uses less digits than its factorization.

168799418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566592.

The product of its digits is 870912, while the sum is 53.

The square root of 168799418 is about 12992.2830172376. The cubic root of 168799418 is about 552.6586624849.

The spelling of 168799418 in words is "one hundred sixty-eight million, seven hundred ninety-nine thousand, four hundred eighteen".