164165207 has 2 divisors, whose sum is σ = 164165208. Its totient is φ = 164165206.

The previous prime is 164165179. The next prime is 164165231. The reversal of 164165207 is 702561461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164165207 - 2⁸ = 164164951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164165297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82082603 + 82082604.

It is an arithmetic number, because the mean of its divisors is an integer number (82082604).

Almost surely, 2^164165207 is an apocalyptic number.

164165207 is a deficient number, since it is larger than the sum of its proper divisors (1).

164165207 is an equidigital number, since it uses as much as digits as its factorization.

164165207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 164165207 is about 12812.6971009230. The cubic root of 164165207 is about 547.5541054235.

The spelling of 164165207 in words is "one hundred sixty-four million, one hundred sixty-five thousand, two hundred seven".