8664593652 has 252 divisors, whose sum is σ = 26925246180. Its totient is φ = 2422379520.

The previous prime is 8664593569. The next prime is 8664593657. The reversal of 8664593652 is 2563954668.

It can be written as a sum of positive squares in 2 ways, for example, as 2609575056 + 6055018596 = 51084^2 + 77814^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664593657) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 4585924 + ... + 4587812.

It is an arithmetic number, because the mean of its divisors is an integer number (106846215).

Almost surely, 2^8664593652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8664593652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13462623090).

8664593652 is an abundant number, since it is smaller than the sum of its proper divisors (18260652528).

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

8664593652 is a wasteful number, since it uses less digits than its factorization.

8664593652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1918 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 8664593652 is about 93083.7990844809. The cubic root of 8664593652 is about 2053.9162616489.

The spelling of 8664593652 in words is "eight billion, six hundred sixty-four million, five hundred ninety-three thousand, six hundred fifty-two".