9860161 has 2 divisors, whose sum is σ = 9860162. Its totient is φ = 9860160.

The previous prime is 9860143. The next prime is 9860197. The reversal of 9860161 is 1610689.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 2461761 = 2720^2 + 1569^2 .

It is a cyclic number.

It is not a de Polignac number, because 9860161 - 2⁵ = 9860129 is a prime.

It is a Chen prime.

9860161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9860141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4930080 + 4930081.

It is an arithmetic number, because the mean of its divisors is an integer number (4930081).

Almost surely, 2^9860161 is an apocalyptic number.

It is an amenable number.

9860161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9860161 is an equidigital number, since it uses as much as digits as its factorization.

9860161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9860161 is about 3140.0893299395. The cubic root of 9860161 is about 214.4345045571.

The spelling of 9860161 in words is "nine million, eight hundred sixty thousand, one hundred sixty-one".