8536648664 has 8 divisors (see below), whose sum is σ = 16006216260. Its totient is φ = 4268324328.

The previous prime is 8536648661. The next prime is 8536648709. The reversal of 8536648664 is 4668466358.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8536648661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533540534 + ... + 533540549.

Almost surely, 2^8536648664 is an apocalyptic number.

It is an amenable number.

8536648664 is a deficient number, since it is larger than the sum of its proper divisors (7469567596).

8536648664 is a wasteful number, since it uses less digits than its factorization.

8536648664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067081089 (or 1067081085 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 56.

The square root of 8536648664 is about 92393.9860813462. The cubic root of 8536648664 is about 2043.7564280719.

The spelling of 8536648664 in words is "eight billion, five hundred thirty-six million, six hundred forty-eight thousand, six hundred sixty-four".