8159059920 has 160 divisors (see below), whose sum is σ = 27642695040. Its totient is φ = 1974353920.

The previous prime is 8159059903. The next prime is 8159059963. The reversal of 8159059920 is 299509518.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8159059920.

It is a congruent 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, 1626376 + ... + 1631384.

It is an arithmetic number, because the mean of its divisors is an integer number (172766844).

Almost surely, 2^8159059920 is an apocalyptic number.

8159059920 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 8159059920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13821347520).

8159059920 is an abundant number, since it is smaller than the sum of its proper divisors (19483635120).

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

8159059920 is a wasteful number, since it uses less digits than its factorization.

8159059920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5647 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 48.

The square root of 8159059920 is about 90327.5147449547. The cubic root of 8159059920 is about 2013.1681035794.

The spelling of 8159059920 in words is "eight billion, one hundred fifty-nine million, fifty-nine thousand, nine hundred twenty".