4161157860 has 24 divisors (see below), whose sum is σ = 11651242176. Its totient is φ = 1109642080.

The previous prime is 4161157849. The next prime is 4161157901. The reversal of 4161157860 is 687511614.

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, 34676256 + ... + 34676375.

It is an arithmetic number, because the mean of its divisors is an integer number (485468424).

Almost surely, 2^4161157860 is an apocalyptic number.

It is an amenable number.

4161157860 is an abundant number, since it is smaller than the sum of its proper divisors (7490084316).

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

4161157860 is a wasteful number, since it uses less digits than its factorization.

4161157860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69352643 (or 69352641 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 4161157860 is about 64507.0372905158. The cubic root of 4161157860 is about 1608.4395023355.

The spelling of 4161157860 in words is "four billion, one hundred sixty-one million, one hundred fifty-seven thousand, eight hundred sixty".