168008851 has 4 divisors (see below), whose sum is σ = 168205752. Its totient is φ = 167811952.

The previous prime is 168008833. The next prime is 168008873. The reversal of 168008851 is 158800861.

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 168008851 - 2⁷ = 168008723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168008851.

It is not an unprimeable number, because it can be changed into a prime (168008801) 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, 97165 + ... + 98878.

It is an arithmetic number, because the mean of its divisors is an integer number (42051438).

Almost surely, 2^168008851 is an apocalyptic number.

168008851 is a deficient number, since it is larger than the sum of its proper divisors (196901).

168008851 is an equidigital number, since it uses as much as digits as its factorization.

168008851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196900.

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 168008851 is about 12961.8228270564. The cubic root of 168008851 is about 551.7945252798.

It can be divided in two parts, 16800 and 8851, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 168008851 in words is "one hundred sixty-eight million, eight thousand, eight hundred fifty-one".