8000165 has 4 divisors (see below), whose sum is σ = 9600204. Its totient is φ = 6400128.

The previous prime is 8000141. The next prime is 8000171. The reversal of 8000165 is 5610008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 4592449 = 1846^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000165 - 2⁶ = 8000101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800012 + ... + 800021.

It is an arithmetic number, because the mean of its divisors is an integer number (2400051).

Almost surely, 2^8000165 is an apocalyptic number.

It is an amenable number.

8000165 is a deficient number, since it is larger than the sum of its proper divisors (1600039).

8000165 is a wasteful number, since it uses less digits than its factorization.

8000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600038.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8000165 is about 2828.4562927505. The cubic root of 8000165 is about 200.0013749905.

The spelling of 8000165 in words is "eight million, one hundred sixty-five", and thus it is an aban number.