109163323709 has 36 divisors (see below), whose sum is σ = 126331394364. Its totient is φ = 94220755200.

The previous prime is 109163323697. The next prime is 109163323757. The reversal of 109163323709 is 907323361901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92106180100 + 17057143609 = 303490^2 + 130603^2 .

It is a de Polignac number, because none of the positive numbers 2^k-109163323709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109163323709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109163323309) 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 35 ways as a sum of consecutive naturals, for example, 6154037 + ... + 6171749.

It is an arithmetic number, because the mean of its divisors is an integer number (3509205399).

Almost surely, 2^109163323709 is an apocalyptic number.

It is an amenable number.

109163323709 is a deficient number, since it is larger than the sum of its proper divisors (17168070655).

109163323709 is a wasteful number, since it uses less digits than its factorization.

109163323709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17850 (or 17808 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 109163323709 in words is "one hundred nine billion, one hundred sixty-three million, three hundred twenty-three thousand, seven hundred nine".