8168379912 has 288 divisors, whose sum is σ = 29428963200. Its totient is φ = 1996600320.

The previous prime is 8168379787. The next prime is 8168379913. The reversal of 8168379912 is 2199738618.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8168379913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1032789 + ... + 1040667.

It is an arithmetic number, because the mean of its divisors is an integer number (102183900).

Almost surely, 2^8168379912 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 8168379912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14714481600).

8168379912 is an abundant number, since it is smaller than the sum of its proper divisors (21260583288).

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

8168379912 is a wasteful number, since it uses less digits than its factorization.

8168379912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937 (or 7919 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 8168379912 is about 90379.0900153349. The cubic root of 8168379912 is about 2013.9343508023.

The spelling of 8168379912 in words is "eight billion, one hundred sixty-eight million, three hundred seventy-nine thousand, nine hundred twelve".