8666006653 has 2 divisors, whose sum is σ = 8666006654. Its totient is φ = 8666006652.

The previous prime is 8666006641. The next prime is 8666006711. The reversal of 8666006653 is 3566006668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8274085444 + 391921209 = 90962^2 + 19797^2 .

It is a cyclic number.

It is not a de Polignac number, because 8666006653 - 2²⁹ = 8129135741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8666006633) 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, 4333003326 + 4333003327.

It is an arithmetic number, because the mean of its divisors is an integer number (4333003327).

Almost surely, 2^8666006653 is an apocalyptic number.

It is an amenable number.

8666006653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8666006653 is an equidigital number, since it uses as much as digits as its factorization.

8666006653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 8666006653 is about 93091.3887156057. The cubic root of 8666006653 is about 2054.0279048142.

The spelling of 8666006653 in words is "eight billion, six hundred sixty-six million, six thousand, six hundred fifty-three".