810032166 has 12 divisors (see below), whose sum is σ = 1755069732. Its totient is φ = 270010716.

The previous prime is 810032143. The next prime is 810032173. The reversal of 810032166 is 661230018.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22500876 + ... + 22500911.

It is an arithmetic number, because the mean of its divisors is an integer number (146255811).

Almost surely, 2^810032166 is an apocalyptic number.

810032166 is an abundant number, since it is smaller than the sum of its proper divisors (945037566).

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

810032166 is a wasteful number, since it uses less digits than its factorization.

810032166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45001795 (or 45001792 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 810032166 is about 28461.0640349232. The cubic root of 810032166 is about 932.1820907884.

The spelling of 810032166 in words is "eight hundred ten million, thirty-two thousand, one hundred sixty-six".