966186161 has 2 divisors, whose sum is σ = 966186162. Its totient is φ = 966186160.

The previous prime is 966186121. The next prime is 966186173. The reversal of 966186161 is 161681669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580810000 + 385376161 = 24100^2 + 19631^2 .

It is an emirp because it is prime and its reverse (161681669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966186161 - 2¹⁰ = 966185137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (966186121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483093080 + 483093081.

It is an arithmetic number, because the mean of its divisors is an integer number (483093081).

Almost surely, 2^966186161 is an apocalyptic number.

It is an amenable number.

966186161 is a deficient number, since it is larger than the sum of its proper divisors (1).

966186161 is an equidigital number, since it uses as much as digits as its factorization.

966186161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 966186161 is about 31083.5352075661. The cubic root of 966186161 is about 988.5992368808.

The spelling of 966186161 in words is "nine hundred sixty-six million, one hundred eighty-six thousand, one hundred sixty-one".