189416207 has 2 divisors, whose sum is σ = 189416208. Its totient is φ = 189416206.

The previous prime is 189416179. The next prime is 189416221. The reversal of 189416207 is 702614981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189416207 - 2⁸ = 189415951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189416267) 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, 94708103 + 94708104.

It is an arithmetic number, because the mean of its divisors is an integer number (94708104).

Almost surely, 2^189416207 is an apocalyptic number.

189416207 is a deficient number, since it is larger than the sum of its proper divisors (1).

189416207 is an equidigital number, since it uses as much as digits as its factorization.

189416207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 189416207 is about 13762.8560626056. The cubic root of 189416207 is about 574.3003027837.

The spelling of 189416207 in words is "one hundred eighty-nine million, four hundred sixteen thousand, two hundred seven".