916600189 has 2 divisors, whose sum is σ = 916600190. Its totient is φ = 916600188.

The previous prime is 916600177. The next prime is 916600207. The reversal of 916600189 is 981006619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622752025 + 293848164 = 24955^2 + 17142^2 .

It is an emirp because it is prime and its reverse (981006619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 916600189 - 2¹³ = 916591997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916600589) 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, 458300094 + 458300095.

It is an arithmetic number, because the mean of its divisors is an integer number (458300095).

Almost surely, 2^916600189 is an apocalyptic number.

It is an amenable number.

916600189 is a deficient number, since it is larger than the sum of its proper divisors (1).

916600189 is an equidigital number, since it uses as much as digits as its factorization.

916600189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 916600189 is about 30275.4056785372. The cubic root of 916600189 is about 971.3892973360.

The spelling of 916600189 in words is "nine hundred sixteen million, six hundred thousand, one hundred eighty-nine".