164708273 has 2 divisors, whose sum is σ = 164708274. Its totient is φ = 164708272.

The previous prime is 164708261. The next prime is 164708279. The reversal of 164708273 is 372807461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161086864 + 3621409 = 12692^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 164708273 - 2⁶ = 164708209 is a prime.

It is not a weakly prime, because it can be changed into another prime (164708279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82354136 + 82354137.

It is an arithmetic number, because the mean of its divisors is an integer number (82354137).

Almost surely, 2^164708273 is an apocalyptic number.

It is an amenable number.

164708273 is a deficient number, since it is larger than the sum of its proper divisors (1).

164708273 is an equidigital number, since it uses as much as digits as its factorization.

164708273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 164708273 is about 12833.8720969160. The cubic root of 164708273 is about 548.1572188628.

The spelling of 164708273 in words is "one hundred sixty-four million, seven hundred eight thousand, two hundred seventy-three".