8663745168 has 60 divisors (see below), whose sum is σ = 26111570940. Its totient is φ = 2665767168.

The previous prime is 8663745131. The next prime is 8663745187. The reversal of 8663745168 is 8615473668.

It can be written as a sum of positive squares in 2 ways, for example, as 3555498384 + 5108246784 = 59628^2 + 71472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2312163 + ... + 2315906.

It is an arithmetic number, because the mean of its divisors is an integer number (435192849).

Almost surely, 2^8663745168 is an apocalyptic number.

It is an amenable number.

8663745168 is an abundant number, since it is smaller than the sum of its proper divisors (17447825772).

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

8663745168 is a wasteful number, since it uses less digits than its factorization.

8663745168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628096 (or 4628087 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8663745168 is about 93079.2413376903. The cubic root of 8663745168 is about 2053.8492159206.

The spelling of 8663745168 in words is "eight billion, six hundred sixty-three million, seven hundred forty-five thousand, one hundred sixty-eight".