41685540168891 has 16 divisors (see below), whose sum is σ = 56300397442560. Its totient is φ = 27430723051680.

The previous prime is 41685540168889. The next prime is 41685540168911. The reversal of 41685540168891 is 19886104558614.

It is not a de Polignac number, because 41685540168891 - 2¹ = 41685540168889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41685540168851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24364320 + ... + 26019053.

It is an arithmetic number, because the mean of its divisors is an integer number (3518774840160).

Almost surely, 2^{41685540168891} is an apocalyptic number.

41685540168891 is a deficient number, since it is larger than the sum of its proper divisors (14614857273669).

41685540168891 is a wasteful number, since it uses less digits than its factorization.

41685540168891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50386946.

The product of its (nonzero) digits is 66355200, while the sum is 66.

The spelling of 41685540168891 in words is "forty-one trillion, six hundred eighty-five billion, five hundred forty million, one hundred sixty-eight thousand, eight hundred ninety-one".