8648866668 has 24 divisors (see below), whose sum is σ = 21733049968. Its totient is φ = 2661189696.

The previous prime is 8648866621. The next prime is 8648866687. The reversal of 8648866668 is 8666688468.

It is a junction number, because it is equal to n+sod(n) for n = 8648866599 and 8648866608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27720571 + ... + 27720882.

Almost surely, 2^8648866668 is an apocalyptic number.

It is an amenable number.

8648866668 is an abundant number, since it is smaller than the sum of its proper divisors (13084183300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8648866668 is a wasteful number, since it uses less digits than its factorization.

8648866668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55441473 (or 55441471 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 66.

The square root of 8648866668 is about 92999.2831585276. The cubic root of 8648866668 is about 2052.6728307085.

The spelling of 8648866668 in words is "eight billion, six hundred forty-eight million, eight hundred sixty-six thousand, six hundred sixty-eight".