8085166686 has 16 divisors (see below), whose sum is σ = 17967037200. Its totient is φ = 2695055544.

The previous prime is 8085166673. The next prime is 8085166693. The reversal of 8085166686 is 6866615808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 149725309 = 8085166686 / (8 + 0 + 8 + 5 + 1 + 6 + 6 + 6 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74862601 + ... + 74862708.

It is an arithmetic number, because the mean of its divisors is an integer number (1122939825).

Almost surely, 2^8085166686 is an apocalyptic number.

8085166686 is an abundant number, since it is smaller than the sum of its proper divisors (9881870514).

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

8085166686 is a wasteful number, since it uses less digits than its factorization.

8085166686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149725320 (or 149725314 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 8085166686 is about 89917.5549378429. The cubic root of 8085166686 is about 2007.0721864460.

The spelling of 8085166686 in words is "eight billion, eighty-five million, one hundred sixty-six thousand, six hundred eighty-six".