1085706161 has 2 divisors, whose sum is σ = 1085706162. Its totient is φ = 1085706160.

The previous prime is 1085706131. The next prime is 1085706179. The reversal of 1085706161 is 1616075801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670810000 + 414896161 = 25900^2 + 20369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085706161 - 2¹⁴ = 1085689777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085706101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542853080 + 542853081.

It is an arithmetic number, because the mean of its divisors is an integer number (542853081).

Almost surely, 2^1085706161 is an apocalyptic number.

It is an amenable number.

1085706161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085706161 is an equidigital number, since it uses as much as digits as its factorization.

1085706161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1085706161 is about 32950.0555538227. The cubic root of 1085706161 is about 1027.7893205939.

The spelling of 1085706161 in words is "one billion, eighty-five million, seven hundred six thousand, one hundred sixty-one".