8167816804 has 96 divisors (see below), whose sum is σ = 18132339456. Its totient is φ = 3139153920.

The previous prime is 8167816759. The next prime is 8167816823. The reversal of 8167816804 is 4086187618.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834322 + ... + 844054.

It is an arithmetic number, because the mean of its divisors is an integer number (188878536).

Almost surely, 2^8167816804 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 8167816804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9066169728).

8167816804 is an abundant number, since it is smaller than the sum of its proper divisors (9964522652).

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

8167816804 is a wasteful number, since it uses less digits than its factorization.

8167816804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845 (or 9843 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 8167816804 is about 90375.9747056705. The cubic root of 8167816804 is about 2013.8880711802. Note that the first 3 decimals are identical.

The spelling of 8167816804 in words is "eight billion, one hundred sixty-seven million, eight hundred sixteen thousand, eight hundred four".