8446205663 has 8 divisors (see below), whose sum is σ = 9834935328. Its totient is φ = 7103008224.

The previous prime is 8446205639. The next prime is 8446205681. The reversal of 8446205663 is 3665026448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8446205663 - 2¹² = 8446201567 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 (8446205623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11382656 + ... + 11383397.

It is an arithmetic number, because the mean of its divisors is an integer number (1229366916).

Almost surely, 2^8446205663 is an apocalyptic number.

8446205663 is a deficient number, since it is larger than the sum of its proper divisors (1388729665).

8446205663 is a wasteful number, since it uses less digits than its factorization.

8446205663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22766113.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 8446205663 is about 91903.2407644040. The cubic root of 8446205663 is about 2036.5131437761.

The spelling of 8446205663 in words is "eight billion, four hundred forty-six million, two hundred five thousand, six hundred sixty-three".