8366361866 has 16 divisors (see below), whose sum is σ = 12685746528. Its totient is φ = 4137858000.

The previous prime is 8366361863. The next prime is 8366361889. The reversal of 8366361866 is 6681636638.

It is not an unprimeable number, because it can be changed into a prime (8366361863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201401 + ... + 239363.

It is an arithmetic number, because the mean of its divisors is an integer number (792859158).

Almost surely, 2^8366361866 is an apocalyptic number.

8366361866 is a deficient number, since it is larger than the sum of its proper divisors (4319384662).

8366361866 is a wasteful number, since it uses less digits than its factorization.

8366361866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39157.

The product of its digits is 4478976, while the sum is 53.

The square root of 8366361866 is about 91467.8187451740. The cubic root of 8366361866 is about 2030.0756170721.

The spelling of 8366361866 in words is "eight billion, three hundred sixty-six million, three hundred sixty-one thousand, eight hundred sixty-six".