8663453136 has 60 divisors (see below), whose sum is σ = 26110690788. Its totient is φ = 2665677312.

The previous prime is 8663453131. The next prime is 8663453143. The reversal of 8663453136 is 6313543668.

8663453136 is a `hidden beast` number, since 8 + 6 + 63 + 453 + 136 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1733889600 + 6929563536 = 41640^2 + 83244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8663453091 and 8663453100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663453131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2312085 + ... + 2315828.

Almost surely, 2^8663453136 is an apocalyptic number.

It is an amenable number.

8663453136 is an abundant number, since it is smaller than the sum of its proper divisors (17447237652).

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

8663453136 is a wasteful number, since it uses less digits than its factorization.

8663453136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627940 (or 4627931 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 8663453136 is about 93077.6725966007. The cubic root of 8663453136 is about 2053.8261390479.

The spelling of 8663453136 in words is "eight billion, six hundred sixty-three million, four hundred fifty-three thousand, one hundred thirty-six".