8209168308 has 72 divisors (see below), whose sum is σ = 22678227936. Its totient is φ = 2483140800.

The previous prime is 8209168307. The next prime is 8209168333. The reversal of 8209168308 is 8038619028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209168307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204538 + ... + 241358.

It is an arithmetic number, because the mean of its divisors is an integer number (314975388).

Almost surely, 2^8209168308 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 8209168308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11339113968).

8209168308 is an abundant number, since it is smaller than the sum of its proper divisors (14469059628).

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

8209168308 is a wasteful number, since it uses less digits than its factorization.

8209168308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37405 (or 37400 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8209168308 is about 90604.4607511131. The cubic root of 8209168308 is about 2017.2809467212.

The spelling of 8209168308 in words is "eight billion, two hundred nine million, one hundred sixty-eight thousand, three hundred eight".