8255151666 has 32 divisors (see below), whose sum is σ = 18347757120. Its totient is φ = 2751270912.

The previous prime is 8255151649. The next prime is 8255151679. The reversal of 8255151666 is 6661515528.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613426 + ... + 626738.

It is an arithmetic number, because the mean of its divisors is an integer number (573367410).

Almost surely, 2^8255151666 is an apocalyptic number.

8255151666 is an abundant number, since it is smaller than the sum of its proper divisors (10092605454).

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

8255151666 is a wasteful number, since it uses less digits than its factorization.

8255151666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24807 (or 24801 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 8255151666 is about 90857.8651851341. The cubic root of 8255151666 is about 2021.0405110556.

The spelling of 8255151666 in words is "eight billion, two hundred fifty-five million, one hundred fifty-one thousand, six hundred sixty-six".