8168360000 has 140 divisors (see below), whose sum is σ = 20642401692. Its totient is φ = 3204864000.

The previous prime is 8168359999. The next prime is 8168360003. The reversal of 8168360000 is 638618.

It can be written as a sum of positive squares in 10 ways, for example, as 2684068864 + 5484291136 = 51808^2 + 74056^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (8168360003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2118074 + ... + 2121926.

Almost surely, 2^8168360000 is an apocalyptic number.

8168360000 is a gapful number since it is divisible by the number (80) 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 8168360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321200846).

8168360000 is an abundant number, since it is smaller than the sum of its proper divisors (12474041692).

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

8168360000 is an equidigital number, since it uses as much as digits as its factorization.

8168360000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8168360000 is about 90378.9798570442. The cubic root of 8168360000 is about 2013.9327143499.

Adding to 8168360000 its reverse (638618), we get a palindrome (8168998618).

The spelling of 8168360000 in words is "eight billion, one hundred sixty-eight million, three hundred sixty thousand".