8590065661 has 16 divisors (see below), whose sum is σ = 9166348800. Its totient is φ = 8026529328.

The previous prime is 8590065629. The next prime is 8590065703. The reversal of 8590065661 is 1665600958.

8590065661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8590065661 - 2⁵ = 8590065629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8590065161) 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, 1016110 + ... + 1024528.

It is an arithmetic number, because the mean of its divisors is an integer number (572896800).

Almost surely, 2^8590065661 is an apocalyptic number.

It is an amenable number.

8590065661 is a deficient number, since it is larger than the sum of its proper divisors (576283139).

8590065661 is a wasteful number, since it uses less digits than its factorization.

8590065661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 8590065661 is about 92682.6071115827. The cubic root of 8590065661 is about 2048.0104163753.

The spelling of 8590065661 in words is "eight billion, five hundred ninety million, sixty-five thousand, six hundred sixty-one".