8660681332 has 6 divisors (see below), whose sum is σ = 15156192338. Its totient is φ = 4330340664.

The previous prime is 8660681321. The next prime is 8660681333. The reversal of 8660681332 is 2331860668.

It can be written as a sum of positive squares in only one way, i.e., 6825072996 + 1835608336 = 82614^2 + 42844^2 .

It is a super-2 number, since 2×8660681332² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660681333) 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 as a sum of consecutive naturals, namely, 1082585163 + ... + 1082585170.

Almost surely, 2^8660681332 is an apocalyptic number.

It is an amenable number.

8660681332 is a deficient number, since it is larger than the sum of its proper divisors (6495511006).

8660681332 is a wasteful number, since it uses less digits than its factorization.

8660681332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165170337 (or 2165170335 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 8660681332 is about 93062.7816691506. The cubic root of 8660681332 is about 2053.6070804867.

The spelling of 8660681332 in words is "eight billion, six hundred sixty million, six hundred eighty-one thousand, three hundred thirty-two".