168808811 has 4 divisors (see below), whose sum is σ = 168871032. Its totient is φ = 168746592.

The previous prime is 168808751. The next prime is 168808817. The reversal of 168808811 is 118808861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168808811 - 2⁶ = 168808747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168808817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26846 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (42217758).

Almost surely, 2^168808811 is an apocalyptic number.

168808811 is a deficient number, since it is larger than the sum of its proper divisors (62221).

168808811 is an equidigital number, since it uses as much as digits as its factorization.

168808811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62220.

The product of its (nonzero) digits is 24576, while the sum is 41.

The square root of 168808811 is about 12992.6444960216. The cubic root of 168808811 is about 552.6689133625.

The spelling of 168808811 in words is "one hundred sixty-eight million, eight hundred eight thousand, eight hundred eleven".