105644331346 has 16 divisors (see below), whose sum is σ = 160261047576. Its totient is φ = 52225076736.

The previous prime is 105644331319. The next prime is 105644331439. The reversal of 105644331346 is 643133446501.

It can be written as a sum of positive squares in 4 ways, for example, as 94470784321 + 11173547025 = 307361^2 + 105705^2 .

It is a super-2 number, since 2×105644331346² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105644331299 and 105644331308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79681 + ... + 466516.

Almost surely, 2^105644331346 is an apocalyptic number.

105644331346 is a deficient number, since it is larger than the sum of its proper divisors (54616716230).

105644331346 is an equidigital number, since it uses as much as digits as its factorization.

105644331346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547293.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 105644331346 its reverse (643133446501), we get a palindrome (748777777847).

The spelling of 105644331346 in words is "one hundred five billion, six hundred forty-four million, three hundred thirty-one thousand, three hundred forty-six".