8165104542 has 24 divisors (see below), whose sum is σ = 20218354416. Its totient is φ = 2332886976.

The previous prime is 8165104523. The next prime is 8165104559. The reversal of 8165104542 is 2454015618.

It is a happy number.

8165104542 is a `hidden beast` number, since 8 + 1 + 6 + 5 + 104 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8165104497 and 8165104506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32401083 + ... + 32401334.

It is an arithmetic number, because the mean of its divisors is an integer number (842431434).

Almost surely, 2^8165104542 is an apocalyptic number.

8165104542 is an abundant number, since it is smaller than the sum of its proper divisors (12053249874).

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

8165104542 is a wasteful number, since it uses less digits than its factorization.

8165104542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64802432 (or 64802429 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8165104542 is about 90360.9680227033. The cubic root of 8165104542 is about 2013.6651312794.

The spelling of 8165104542 in words is "eight billion, one hundred sixty-five million, one hundred four thousand, five hundred forty-two".