10266161 has 2 divisors, whose sum is σ = 10266162. Its totient is φ = 10266160.

The previous prime is 10266143. The next prime is 10266167. The reversal of 10266161 is 16166201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 1739761 = 2920^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 10266161 - 2⁶ = 10266097 is a prime.

It is not a weakly prime, because it can be changed into another prime (10266167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5133080 + 5133081.

It is an arithmetic number, because the mean of its divisors is an integer number (5133081).

Almost surely, 2^10266161 is an apocalyptic number.

It is an amenable number.

10266161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10266161 is an equidigital number, since it uses as much as digits as its factorization.

10266161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10266161 is about 3204.0850488088. The cubic root of 10266161 is about 217.3381788369.

The spelling of 10266161 in words is "ten million, two hundred sixty-six thousand, one hundred sixty-one".