105706819826 has 8 divisors (see below), whose sum is σ = 161247691440. Its totient is φ = 51957589348.

The previous prime is 105706819807. The next prime is 105706819861. The reversal of 105706819826 is 628918607501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105706819826² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 447910136 + ... + 447910371.

It is an arithmetic number, because the mean of its divisors is an integer number (20155961430).

Almost surely, 2^105706819826 is an apocalyptic number.

105706819826 is a deficient number, since it is larger than the sum of its proper divisors (55540871614).

105706819826 is an equidigital number, since it uses as much as digits as its factorization.

105706819826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895820568.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 105706819826 in words is "one hundred five billion, seven hundred six million, eight hundred nineteen thousand, eight hundred twenty-six".