8209533168 has 160 divisors (see below), whose sum is σ = 24332014080. Its totient is φ = 2648540160.

The previous prime is 8209533161. The next prime is 8209533169. The reversal of 8209533168 is 8613359028.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209533161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097133 + ... + 2101043.

It is an arithmetic number, because the mean of its divisors is an integer number (152075088).

Almost surely, 2^8209533168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8209533168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12166007040).

8209533168 is an abundant number, since it is smaller than the sum of its proper divisors (16122480912).

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

8209533168 is a wasteful number, since it uses less digits than its factorization.

8209533168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8209533168 is about 90606.4742057652. The cubic root of 8209533168 is about 2017.3108325835.

The spelling of 8209533168 in words is "eight billion, two hundred nine million, five hundred thirty-three thousand, one hundred sixty-eight".