164145703 has 2 divisors, whose sum is σ = 164145704. Its totient is φ = 164145702.

The previous prime is 164145691. The next prime is 164145763. The reversal of 164145703 is 307541461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164145703 - 2⁵ = 164145671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164145763) 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, 82072851 + 82072852.

It is an arithmetic number, because the mean of its divisors is an integer number (82072852).

Almost surely, 2^164145703 is an apocalyptic number.

164145703 is a deficient number, since it is larger than the sum of its proper divisors (1).

164145703 is an equidigital number, since it uses as much as digits as its factorization.

164145703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 164145703 is about 12811.9359583164. The cubic root of 164145703 is about 547.5324201176.

The spelling of 164145703 in words is "one hundred sixty-four million, one hundred forty-five thousand, seven hundred three".