105643065316 has 12 divisors (see below), whose sum is σ = 185091094188. Its totient is φ = 52759895552.

The previous prime is 105643065301. The next prime is 105643065329. The reversal of 105643065316 is 613560346501.

It can be written as a sum of positive squares in 2 ways, for example, as 103327530916 + 2315534400 = 321446^2 + 48120^2 .

It is a super-2 number, since 2×105643065316² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15405421 + ... + 15412276.

It is an arithmetic number, because the mean of its divisors is an integer number (15424257849).

Almost surely, 2^105643065316 is an apocalyptic number.

It is an amenable number.

105643065316 is a deficient number, since it is larger than the sum of its proper divisors (79448028872).

105643065316 is a wasteful number, since it uses less digits than its factorization.

105643065316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30818558 (or 30818556 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 105643065316 in words is "one hundred five billion, six hundred forty-three million, sixty-five thousand, three hundred sixteen".