6838180185481 has 16 divisors (see below), whose sum is σ = 6909784856128. Its totient is φ = 6767011123200.

The previous prime is 6838180185469. The next prime is 6838180185527. The reversal of 6838180185481 is 1845810818386.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6838180185481 - 2¹⁹ = 6838179661193 is a prime.

It is a super-2 number, since 2×6838180185481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838180185281) 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 15 ways as a sum of consecutive naturals, for example, 42106246 + ... + 42268336.

It is an arithmetic number, because the mean of its divisors is an integer number (431861553508).

Almost surely, 2^{6838180185481} is an apocalyptic number.

It is an amenable number.

6838180185481 is a deficient number, since it is larger than the sum of its proper divisors (71604670647).

6838180185481 is a wasteful number, since it uses less digits than its factorization.

6838180185481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163432.

The product of its (nonzero) digits is 11796480, while the sum is 61.

The spelling of 6838180185481 in words is "six trillion, eight hundred thirty-eight billion, one hundred eighty million, one hundred eighty-five thousand, four hundred eighty-one".