8473172166 has 24 divisors (see below), whose sum is σ = 18379271664. Its totient is φ = 2821201200.

The previous prime is 8473172159. The next prime is 8473172177. The reversal of 8473172166 is 6612713748.

8473172166 is a `hidden beast` number, since 8 + 473 + 17 + 2 + 166 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249385 + ... + 281316.

It is an arithmetic number, because the mean of its divisors is an integer number (765802986).

Almost surely, 2^8473172166 is an apocalyptic number.

8473172166 is an abundant number, since it is smaller than the sum of its proper divisors (9906099498).

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

8473172166 is a wasteful number, since it uses less digits than its factorization.

8473172166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531596 (or 531593 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 8473172166 is about 92049.8352307053. The cubic root of 8473172166 is about 2038.6781907255.

The spelling of 8473172166 in words is "eight billion, four hundred seventy-three million, one hundred seventy-two thousand, one hundred sixty-six".