8263458666 has 12 divisors (see below), whose sum is σ = 17904160482. Its totient is φ = 2754486216.

The previous prime is 8263458649. The next prime is 8263458691. The reversal of 8263458666 is 6668543628.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8157883041 + 105575625 = 90321^2 + 10275^2 .

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 5 ways as a sum of consecutive naturals, for example, 229540501 + ... + 229540536.

Almost surely, 2^8263458666 is an apocalyptic number.

8263458666 is an abundant number, since it is smaller than the sum of its proper divisors (9640701816).

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

8263458666 is a wasteful number, since it uses less digits than its factorization.

8263458666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459081045 (or 459081042 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The square root of 8263458666 is about 90903.5679497785. The cubic root of 8263458666 is about 2021.7181951629.

The spelling of 8263458666 in words is "eight billion, two hundred sixty-three million, four hundred fifty-eight thousand, six hundred sixty-six".