189966083 has 2 divisors, whose sum is σ = 189966084. Its totient is φ = 189966082.

The previous prime is 189966071. The next prime is 189966089. The reversal of 189966083 is 380669981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189966083 - 2⁴ = 189966067 is a prime.

It is a super-3 number, since 3×189966083³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (189966089) 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, 94983041 + 94983042.

It is an arithmetic number, because the mean of its divisors is an integer number (94983042).

Almost surely, 2^189966083 is an apocalyptic number.

189966083 is a deficient number, since it is larger than the sum of its proper divisors (1).

189966083 is an equidigital number, since it uses as much as digits as its factorization.

189966083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 189966083 is about 13782.8183982812. The cubic root of 189966083 is about 574.8554979040.

The spelling of 189966083 in words is "one hundred eighty-nine million, nine hundred sixty-six thousand, eighty-three".