8233818165 has 24 divisors (see below), whose sum is σ = 15111479448. Its totient is φ = 4133053440.

The previous prime is 8233818161. The next prime is 8233818217. The reversal of 8233818165 is 5618183328.

8233818165 is a `hidden beast` number, since 82 + 338 + 181 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4574899044 + 3658919121 = 67638^2 + 60489^2 .

It is not a de Polignac number, because 8233818165 - 2² = 8233818161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8233818165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8233818161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5380816 + ... + 5382345.

It is an arithmetic number, because the mean of its divisors is an integer number (629644977).

Almost surely, 2^8233818165 is an apocalyptic number.

8233818165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8233818165 is a deficient number, since it is larger than the sum of its proper divisors (6877661283).

8233818165 is a wasteful number, since it uses less digits than its factorization.

8233818165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763189 (or 10763186 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 8233818165 is about 90740.3888298921. The cubic root of 8233818165 is about 2019.2980409847.

The spelling of 8233818165 in words is "eight billion, two hundred thirty-three million, eight hundred eighteen thousand, one hundred sixty-five".