1828166161 has 2 divisors, whose sum is σ = 1828166162. Its totient is φ = 1828166160.

The previous prime is 1828166129. The next prime is 1828166167. The reversal of 1828166161 is 1616618281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802511936 + 25654225 = 42456^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828166161 - 2⁵ = 1828166129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1828166167) 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, 914083080 + 914083081.

It is an arithmetic number, because the mean of its divisors is an integer number (914083081).

Almost surely, 2^1828166161 is an apocalyptic number.

It is an amenable number.

1828166161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828166161 is an equidigital number, since it uses as much as digits as its factorization.

1828166161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 40.

The square root of 1828166161 is about 42757.0597796434. The cubic root of 1828166161 is about 1222.7524884176.

The spelling of 1828166161 in words is "one billion, eight hundred twenty-eight million, one hundred sixty-six thousand, one hundred sixty-one".