808251966 has 16 divisors (see below), whose sum is σ = 1796115600. Its totient is φ = 269417304.

The previous prime is 808251959. The next prime is 808251967. The reversal of 808251966 is 669152808.

808251966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808251967) 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, 7483761 + ... + 7483868.

It is an arithmetic number, because the mean of its divisors is an integer number (112257225).

Almost surely, 2^808251966 is an apocalyptic number.

808251966 is an abundant number, since it is smaller than the sum of its proper divisors (987863634).

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

808251966 is a wasteful number, since it uses less digits than its factorization.

808251966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967640 (or 14967634 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 808251966 is about 28429.7725281086. The cubic root of 808251966 is about 931.4987073452.

The spelling of 808251966 in words is "eight hundred eight million, two hundred fifty-one thousand, nine hundred sixty-six".