8259515644160 has 144 divisors (see below), whose sum is σ = 21878333366400. Its totient is φ = 2962316574720.

The previous prime is 8259515644103. The next prime is 8259515644169. The reversal of 8259515644160 is 614465159528.

It is a super-2 number, since 2×8259515644160² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8259515644096 and 8259515644105.

It is not an unprimeable number, because it can be changed into a prime (8259515644169) 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, 2990060 + ... + 5045739.

It is an arithmetic number, because the mean of its divisors is an integer number (151932870600).

Almost surely, 2^{8259515644160} is an apocalyptic number.

8259515644160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8259515644160 is an abundant number, since it is smaller than the sum of its proper divisors (13618817722240).

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

8259515644160 is a wasteful number, since it uses less digits than its factorization.

8259515644160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035904 (or 8035890 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 56.

The spelling of 8259515644160 in words is "eight trillion, two hundred fifty-nine billion, five hundred fifteen million, six hundred forty-four thousand, one hundred sixty".