8165404236 has 24 divisors (see below), whose sum is σ = 20784665664. Its totient is φ = 2474364880.

The previous prime is 8165404231. The next prime is 8165404319. The reversal of 8165404236 is 6324045618.

It is a junction number, because it is equal to n+sod(n) for n = 8165404194 and 8165404203.

It is not an unprimeable number, because it can be changed into a prime (8165404231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30929430 + ... + 30929693.

It is an arithmetic number, because the mean of its divisors is an integer number (866027736).

Almost surely, 2^8165404236 is an apocalyptic number.

It is an amenable number.

8165404236 is an abundant number, since it is smaller than the sum of its proper divisors (12619261428).

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

8165404236 is a wasteful number, since it uses less digits than its factorization.

8165404236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61859141 (or 61859139 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 8165404236 is about 90362.6263230546. The cubic root of 8165404236 is about 2013.6897676643.

The spelling of 8165404236 in words is "eight billion, one hundred sixty-five million, four hundred four thousand, two hundred thirty-six".