8666604141 has 16 divisors (see below), whose sum is σ = 12467387520. Its totient is φ = 5323423680.

The previous prime is 8666604139. The next prime is 8666604143. The reversal of 8666604141 is 1414066668.

It is an interprime number because it is at equal distance from previous prime (8666604139) and next prime (8666604143).

It is not a de Polignac number, because 8666604141 - 2¹ = 8666604139 is a prime.

It is a super-2 number, since 2×8666604141² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8666604093 and 8666604102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666604143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184281 + ... + 226478.

It is an arithmetic number, because the mean of its divisors is an integer number (779211720).

Almost surely, 2^8666604141 is an apocalyptic number.

It is an amenable number.

8666604141 is a deficient number, since it is larger than the sum of its proper divisors (3800783379).

8666604141 is a wasteful number, since it uses less digits than its factorization.

8666604141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411316.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 8666604141 is about 93094.5978078213. The cubic root of 8666604141 is about 2054.0751095176.

The spelling of 8666604141 in words is "eight billion, six hundred sixty-six million, six hundred four thousand, one hundred forty-one".