105138781840163 has 8 divisors (see below), whose sum is σ = 105332673692400. Its totient is φ = 104945018440608.

The previous prime is 105138781840159. The next prime is 105138781840187. The reversal of 105138781840163 is 361048187831501.

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 105138781840163 - 2² = 105138781840159 is a prime.

It is a super-2 number, since 2×105138781840163² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105138781840099 and 105138781840108.

It is not an unprimeable number, because it can be changed into a prime (105138781840063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30474581 + ... + 33748742.

It is an arithmetic number, because the mean of its divisors is an integer number (13166584211550).

Almost surely, 2^{105138781840163} is an apocalyptic number.

105138781840163 is a deficient number, since it is larger than the sum of its proper divisors (193891852237).

105138781840163 is an equidigital number, since it uses as much as digits as its factorization.

105138781840163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64226341.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 105138781840163 in words is "one hundred five trillion, one hundred thirty-eight billion, seven hundred eighty-one million, eight hundred forty thousand, one hundred sixty-three".