168816896 has 36 divisors (see below), whose sum is σ = 340178832. Its totient is φ = 83606016.

The previous prime is 168816889. The next prime is 168816899. The reversal of 168816896 is 698618861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (168816899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24311 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (9449412).

Almost surely, 2^168816896 is an apocalyptic number.

168816896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168816896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170089416).

168816896 is an abundant number, since it is smaller than the sum of its proper divisors (171361936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168816896 is an equidigital number, since it uses as much as digits as its factorization.

168816896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286 (or 6272 counting only the distinct ones).

The product of its digits is 995328, while the sum is 53.

The square root of 168816896 is about 12992.9556298788. The cubic root of 168816896 is about 552.6777364739.

The spelling of 168816896 in words is "one hundred sixty-eight million, eight hundred sixteen thousand, eight hundred ninety-six".