168468205 has 4 divisors (see below), whose sum is σ = 202161852. Its totient is φ = 134774560.

The previous prime is 168468199. The next prime is 168468239. The reversal of 168468205 is 502864861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502864861 = 313 ⋅1606597.

It can be written as a sum of positive squares in 2 ways, for example, as 132779529 + 35688676 = 11523^2 + 5974^2 .

It is not a de Polignac number, because 168468205 - 2⁵ = 168468173 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 16846816 + ... + 16846825.

It is an arithmetic number, because the mean of its divisors is an integer number (50540463).

Almost surely, 2^168468205 is an apocalyptic number.

It is an amenable number.

168468205 is a deficient number, since it is larger than the sum of its proper divisors (33693647).

168468205 is an equidigital number, since it uses as much as digits as its factorization.

168468205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33693646.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 168468205 is about 12979.5302303281. The cubic root of 168468205 is about 552.2969558906.

The spelling of 168468205 in words is "one hundred sixty-eight million, four hundred sixty-eight thousand, two hundred five".