8460365661 has 12 divisors (see below), whose sum is σ = 13331485440. Its totient is φ = 5127494280.

The previous prime is 8460365653. The next prime is 8460365677. The reversal of 8460365661 is 1665630648.

8460365661 is a `hidden beast` number, since 84 + 6 + 0 + 3 + 6 + 566 + 1 = 666.

8460365661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8460365661 - 2³ = 8460365653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460365611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42729021 + ... + 42729218.

It is an arithmetic number, because the mean of its divisors is an integer number (1110957120).

Almost surely, 2^8460365661 is an apocalyptic number.

It is an amenable number.

8460365661 is a deficient number, since it is larger than the sum of its proper divisors (4871119779).

8460365661 is a wasteful number, since it uses less digits than its factorization.

8460365661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85458256 (or 85458253 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 8460365661 is about 91980.2460368529. The cubic root of 8460365661 is about 2037.6505745220.

The spelling of 8460365661 in words is "eight billion, four hundred sixty million, three hundred sixty-five thousand, six hundred sixty-one".