8513853516 has 192 divisors, whose sum is σ = 26300252160. Its totient is φ = 2330544960.

The previous prime is 8513853511. The next prime is 8513853529. The reversal of 8513853516 is 6153583158.

8513853516 is a `hidden beast` number, since 8 + 51 + 3 + 85 + 3 + 516 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8513853511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2412145 + ... + 2415671.

It is an arithmetic number, because the mean of its divisors is an integer number (136980480).

Almost surely, 2^8513853516 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 8513853516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13150126080).

8513853516 is an abundant number, since it is smaller than the sum of its proper divisors (17786398644).

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

8513853516 is a wasteful number, since it uses less digits than its factorization.

8513853516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3673 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 8513853516 is about 92270.5452243564. The cubic root of 8513853516 is about 2041.9356800254.

The spelling of 8513853516 in words is "eight billion, five hundred thirteen million, eight hundred fifty-three thousand, five hundred sixteen".