8508573966916 has 9 divisors (see below), whose sum is σ = 14890014651421. Its totient is φ = 4254284066512.

The previous prime is 8508573966913. The next prime is 8508573966967. The reversal of 8508573966916 is 6196693758058.

The square root of 8508573966916 is 2916946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6451346002500 + 2057227964416 = 2539950^2 + 1434304^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8508573966913) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5104656 + ... + 6563128.

Almost surely, 2^{8508573966916} is an apocalyptic number.

8508573966916 is the 2916946-th square number.

It is an amenable number.

8508573966916 is a deficient number, since it is larger than the sum of its proper divisors (6381440684505).

8508573966916 is an frugal number, since it uses more digits than its factorization.

8508573966916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916950 (or 1458475 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 8508573966916 in words is "eight trillion, five hundred eight billion, five hundred seventy-three million, nine hundred sixty-six thousand, nine hundred sixteen".