8661652624 has 45 divisors (see below), whose sum is σ = 17143618233. Its totient is φ = 4239433536.

The previous prime is 8661652621. The next prime is 8661652631. The reversal of 8661652624 is 4262561668.

The square root of 8661652624 is 93068.

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., 6244160400 + 2417492224 = 79020^2 + 49168^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8661652621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19730197 + ... + 19730635.

Almost surely, 2^8661652624 is an apocalyptic number.

8661652624 is the 93068-th square number.

It is an amenable number.

8661652624 is a deficient number, since it is larger than the sum of its proper divisors (8481965609).

8661652624 is an frugal number, since it uses more digits than its factorization.

8661652624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 494 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The cubic root of 8661652624 is about 2053.6838480253.

The spelling of 8661652624 in words is "eight billion, six hundred sixty-one million, six hundred fifty-two thousand, six hundred twenty-four".