8606145660 has 48 divisors (see below), whose sum is σ = 27539667456. Its totient is φ = 1967118912.

The previous prime is 8606145643. The next prime is 8606145661. The reversal of 8606145660 is 665416068.

8606145660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8606145660² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8606145661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10244992 + ... + 10245831.

It is an arithmetic number, because the mean of its divisors is an integer number (573743072).

Almost surely, 2^8606145660 is an apocalyptic number.

It is an amenable number.

8606145660 is an abundant number, since it is smaller than the sum of its proper divisors (18933521796).

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

8606145660 is a wasteful number, since it uses less digits than its factorization.

8606145660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490842 (or 20490840 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 8606145660 is about 92769.3142154236. The cubic root of 8606145660 is about 2049.2875303225.

The spelling of 8606145660 in words is "eight billion, six hundred six million, one hundred forty-five thousand, six hundred sixty".