808634166 has 16 divisors (see below), whose sum is σ = 1617672384. Its totient is φ = 269477384.

The previous prime is 808634159. The next prime is 808634171. The reversal of 808634166 is 661436808.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 13345 + ... + 42371.

It is an arithmetic number, because the mean of its divisors is an integer number (101104524).

Almost surely, 2^808634166 is an apocalyptic number.

808634166 is an abundant number, since it is smaller than the sum of its proper divisors (809038218).

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

808634166 is a wasteful number, since it uses less digits than its factorization.

808634166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33675.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 808634166 is about 28436.4935602124. The cubic root of 808634166 is about 931.6455108663.

The spelling of 808634166 in words is "eight hundred eight million, six hundred thirty-four thousand, one hundred sixty-six".