164164277 has 2 divisors, whose sum is σ = 164164278. Its totient is φ = 164164276.

The previous prime is 164164249. The next prime is 164164303. The reversal of 164164277 is 772461461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137217796 + 26946481 = 11714^2 + 5191^2 .

It is a cyclic number.

It is not a de Polignac number, because 164164277 - 2¹⁰ = 164163253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164164277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164164477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82082138 + 82082139.

It is an arithmetic number, because the mean of its divisors is an integer number (82082139).

Almost surely, 2^164164277 is an apocalyptic number.

It is an amenable number.

164164277 is a deficient number, since it is larger than the sum of its proper divisors (1).

164164277 is an equidigital number, since it uses as much as digits as its factorization.

164164277 is an odious number, because the sum of its binary digits is odd.

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

The square root of 164164277 is about 12812.6608087469. The cubic root of 164164277 is about 547.5530714524.

The spelling of 164164277 in words is "one hundred sixty-four million, one hundred sixty-four thousand, two hundred seventy-seven".