8255819165 has 8 divisors (see below), whose sum is σ = 10807617888. Its totient is φ = 6004232080.

The previous prime is 8255819161. The next prime is 8255819171. The reversal of 8255819165 is 5619185528.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8255819165 - 2² = 8255819161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255819161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75052847 + ... + 75052956.

It is an arithmetic number, because the mean of its divisors is an integer number (1350952236).

Almost surely, 2^8255819165 is an apocalyptic number.

It is an amenable number.

8255819165 is a deficient number, since it is larger than the sum of its proper divisors (2551798723).

8255819165 is a wasteful number, since it uses less digits than its factorization.

8255819165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150105819.

The product of its digits is 864000, while the sum is 50.

The square root of 8255819165 is about 90861.5384252325. The cubic root of 8255819165 is about 2021.0949823408.

The spelling of 8255819165 in words is "eight billion, two hundred fifty-five million, eight hundred nineteen thousand, one hundred sixty-five".