8621166892 has 24 divisors (see below), whose sum is σ = 16315588800. Its totient is φ = 3962345856.

The previous prime is 8621166877. The next prime is 8621166937. The reversal of 8621166892 is 2986611268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334417 + ... + 359272.

It is an arithmetic number, because the mean of its divisors is an integer number (679816200).

Almost surely, 2^8621166892 is an apocalyptic number.

It is an amenable number.

8621166892 is a deficient number, since it is larger than the sum of its proper divisors (7694421908).

8621166892 is a wasteful number, since it uses less digits than its factorization.

8621166892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693945 (or 693943 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 8621166892 is about 92850.2390519271. The cubic root of 8621166892 is about 2050.4791179958.

The spelling of 8621166892 in words is "eight billion, six hundred twenty-one million, one hundred sixty-six thousand, eight hundred ninety-two".