1146668189 has 2 divisors, whose sum is σ = 1146668190. Its totient is φ = 1146668188.

The previous prime is 1146668161. The next prime is 1146668191. The reversal of 1146668189 is 9818666411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144468900 + 2199289 = 33830^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146668189 - 2²⁴ = 1129890973 is a prime.

Together with 1146668191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146638189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573334094 + 573334095.

It is an arithmetic number, because the mean of its divisors is an integer number (573334095).

Almost surely, 2^1146668189 is an apocalyptic number.

It is an amenable number.

1146668189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146668189 is an equidigital number, since it uses as much as digits as its factorization.

1146668189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 1146668189 is about 33862.4894093745. The cubic root of 1146668189 is about 1046.6767763210.

The spelling of 1146668189 in words is "one billion, one hundred forty-six million, six hundred sixty-eight thousand, one hundred eighty-nine".