41991846181 has 8 divisors (see below), whose sum is σ = 43094614784. Its totient is φ = 40902444720.

The previous prime is 41991846167. The next prime is 41991846223. The reversal of 41991846181 is 18164819914.

It is a happy number.

41991846181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41991846181 - 2³¹ = 39844362533 is a prime.

It is a super-2 number, since 2×41991846181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41991846121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335421 + ... + 3347986.

It is an arithmetic number, because the mean of its divisors is an integer number (5386826848).

Almost surely, 2^41991846181 is an apocalyptic number.

It is an amenable number.

41991846181 is a deficient number, since it is larger than the sum of its proper divisors (1102768603).

41991846181 is a wasteful number, since it uses less digits than its factorization.

41991846181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683571.

The product of its digits is 497664, while the sum is 52.

The spelling of 41991846181 in words is "forty-one billion, nine hundred ninety-one million, eight hundred forty-six thousand, one hundred eighty-one".