8516516305 has 32 divisors (see below), whose sum is σ = 11215024128. Its totient is φ = 6157228800.

The previous prime is 8516516303. The next prime is 8516516321. The reversal of 8516516305 is 5036156158.

It is not a de Polignac number, because 8516516305 - 2¹ = 8516516303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8516516303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9710527 + ... + 9711403.

It is an arithmetic number, because the mean of its divisors is an integer number (350469504).

Almost surely, 2^8516516305 is an apocalyptic number.

It is an amenable number.

8516516305 is a deficient number, since it is larger than the sum of its proper divisors (2698507823).

8516516305 is a wasteful number, since it uses less digits than its factorization.

8516516305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 8516516305 is about 92284.9733434431. The cubic root of 8516516305 is about 2042.1485361313.

It can be divided in two parts, 851 and 6516305, that added together give a palindrome (6517156).

The spelling of 8516516305 in words is "eight billion, five hundred sixteen million, five hundred sixteen thousand, three hundred five".