9808603433161 has 9 divisors (see below), whose sum is σ = 10621194550389. Its totient is φ = 9054057894336.

The previous prime is 9808603433137. The next prime is 9808603433263. The reversal of 9808603433161 is 1613343068089.

It is a happy number.

The square root of 9808603433161 is 3131869.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3076758056761 + 6731845376400 = 1754069^2 + 2594580^2 .

It is not a de Polignac number, because 9808603433161 - 2¹⁷ = 9808603302089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9808603433099 and 9808603433108.

It is not an unprimeable number, because it can be changed into a prime (9808603430161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40593841 + ... + 40834753.

It is an arithmetic number, because the mean of its divisors is an integer number (1180132727821).

Almost surely, 2^{9808603433161} is an apocalyptic number.

9808603433161 is the 3131869-th square number.

9808603433161 is the 1565935-th centered octagonal number.

It is an amenable number.

9808603433161 is a deficient number, since it is larger than the sum of its proper divisors (812591117228).

9808603433161 is an frugal number, since it uses more digits than its factorization.

9808603433161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481852 (or 240926 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 9808603433161 in words is "nine trillion, eight hundred eight billion, six hundred three million, four hundred thirty-three thousand, one hundred sixty-one".