8158530768 has 80 divisors (see below), whose sum is σ = 21299112960. Its totient is φ = 2690900352.

The previous prime is 8158530761. The next prime is 8158530781. The reversal of 8158530768 is 8670358518.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8158530768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158530761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867755 + ... + 1872117.

It is an arithmetic number, because the mean of its divisors is an integer number (266238912).

Almost surely, 2^8158530768 is an apocalyptic number.

It is an amenable number.

8158530768 is an abundant number, since it is smaller than the sum of its proper divisors (13140582192).

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

8158530768 is a wasteful number, since it uses less digits than its factorization.

8158530768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 8158530768 is about 90324.5856231846. The cubic root of 8158530768 is about 2013.1245816145.

The spelling of 8158530768 in words is "eight billion, one hundred fifty-eight million, five hundred thirty thousand, seven hundred sixty-eight".