8463263666 has 32 divisors (see below), whose sum is σ = 15009357888. Its totient is φ = 3528383040.

The previous prime is 8463263621. The next prime is 8463263719. The reversal of 8463263666 is 6663623648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49340 + ... + 139143.

It is an arithmetic number, because the mean of its divisors is an integer number (469042434).

Almost surely, 2^8463263666 is an apocalyptic number.

8463263666 is a deficient number, since it is larger than the sum of its proper divisors (6546094222).

8463263666 is a wasteful number, since it uses less digits than its factorization.

8463263666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188666.

The product of its digits is 4478976, while the sum is 50.

The square root of 8463263666 is about 91995.9980977434. The cubic root of 8463263666 is about 2037.8832062101.

The spelling of 8463263666 in words is "eight billion, four hundred sixty-three million, two hundred sixty-three thousand, six hundred sixty-six".