804961165 has 8 divisors (see below), whose sum is σ = 966710520. Its totient is φ = 643464192.

The previous prime is 804961147. The next prime is 804961181. The reversal of 804961165 is 561169408.

It can be written as a sum of positive squares in 4 ways, for example, as 295736809 + 509224356 = 17197^2 + 22566^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 804961165 - 2⁵ = 804961133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56004 + ... + 68893.

It is an arithmetic number, because the mean of its divisors is an integer number (120838815).

Almost surely, 2^804961165 is an apocalyptic number.

It is an amenable number.

804961165 is a deficient number, since it is larger than the sum of its proper divisors (161749355).

804961165 is a wasteful number, since it uses less digits than its factorization.

804961165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126191.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 804961165 is about 28371.8375330185. The cubic root of 804961165 is about 930.2327875273.

The spelling of 804961165 in words is "eight hundred four million, nine hundred sixty-one thousand, one hundred sixty-five".