8554115766564 has 27 divisors (see below), whose sum is σ = 21622948101937. Its totient is φ = 2851366072704.

The previous prime is 8554115766527. The next prime is 8554115766577. The reversal of 8554115766564 is 4656675114558.

The square root of 8554115766564 is 2924742.

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

8554115766564 is a `hidden beast` number, since 8 + 5 + 5 + 4 + 1 + 1 + 5 + 7 + 66 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5014419704100 + 3539696062464 = 2239290^2 + 1881408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17304724 + ... + 17792180.

Almost surely, 2^{8554115766564} is an apocalyptic number.

8554115766564 is the 2924742-nd square number.

It is an amenable number.

8554115766564 is an abundant number, since it is smaller than the sum of its proper divisors (13068832335373).

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

8554115766564 is an frugal number, since it uses more digits than its factorization.

8554115766564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974924 (or 487462 counting only the distinct ones).

The product of its digits is 120960000, while the sum is 63.

The spelling of 8554115766564 in words is "eight trillion, five hundred fifty-four billion, one hundred fifteen million, seven hundred sixty-six thousand, five hundred sixty-four".