8666187022 has 4 divisors (see below), whose sum is σ = 12999280536. Its totient is φ = 4333093510.

The previous prime is 8666187001. The next prime is 8666187029. The reversal of 8666187022 is 2207816668.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666187029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2166546754 + ... + 2166546757.

It is an arithmetic number, because the mean of its divisors is an integer number (3249820134).

Almost surely, 2^8666187022 is an apocalyptic number.

8666187022 is a deficient number, since it is larger than the sum of its proper divisors (4333093514).

8666187022 is a wasteful number, since it uses less digits than its factorization.

8666187022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333093513.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 8666187022 is about 93092.3574843821. The cubic root of 8666187022 is about 2054.0421551452.

The spelling of 8666187022 in words is "eight billion, six hundred sixty-six million, one hundred eighty-seven thousand, twenty-two".