9908459161 has 2 divisors, whose sum is σ = 9908459162. Its totient is φ = 9908459160.

The previous prime is 9908459123. The next prime is 9908459213. The reversal of 9908459161 is 1619548099.

It is a happy number.

9908459161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9908459213) can be obtained adding 9908459161 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9323061136 + 585398025 = 96556^2 + 24195^2 .

It is a cyclic number.

It is not a de Polignac number, because 9908459161 - 2⁹ = 9908458649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9908459099 and 9908459108.

It is not a weakly prime, because it can be changed into another prime (9908459461) 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 as a sum of consecutive naturals, namely, 4954229580 + 4954229581.

It is an arithmetic number, because the mean of its divisors is an integer number (4954229581).

Almost surely, 2^9908459161 is an apocalyptic number.

It is an amenable number.

9908459161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9908459161 is an equidigital number, since it uses as much as digits as its factorization.

9908459161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 9908459161 is about 99541.2435174486. The cubic root of 9908459161 is about 2147.8405692308.

The spelling of 9908459161 in words is "nine billion, nine hundred eight million, four hundred fifty-nine thousand, one hundred sixty-one".