164910971 has 2 divisors, whose sum is σ = 164910972. Its totient is φ = 164910970.

The previous prime is 164910947. The next prime is 164911001. The reversal of 164910971 is 179019461.

It is a weak prime.

It is an emirp because it is prime and its reverse (179019461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164910971 - 2¹⁰ = 164909947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164910371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82455485 + 82455486.

It is an arithmetic number, because the mean of its divisors is an integer number (82455486).

Almost surely, 2^164910971 is an apocalyptic number.

164910971 is a deficient number, since it is larger than the sum of its proper divisors (1).

164910971 is an equidigital number, since it uses as much as digits as its factorization.

164910971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 164910971 is about 12841.7666619512. The cubic root of 164910971 is about 548.3819896485.

The spelling of 164910971 in words is "one hundred sixty-four million, nine hundred ten thousand, nine hundred seventy-one".