164814241 has 2 divisors, whose sum is σ = 164814242. Its totient is φ = 164814240.

The previous prime is 164814239. The next prime is 164814257. The reversal of 164814241 is 142418461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94187025 + 70627216 = 9705^2 + 8404^2 .

It is a cyclic number.

It is not a de Polignac number, because 164814241 - 2¹ = 164814239 is a prime.

Together with 164814239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164814271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82407120 + 82407121.

It is an arithmetic number, because the mean of its divisors is an integer number (82407121).

Almost surely, 2^164814241 is an apocalyptic number.

It is an amenable number.

164814241 is a deficient number, since it is larger than the sum of its proper divisors (1).

164814241 is an equidigital number, since it uses as much as digits as its factorization.

164814241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 31.

The square root of 164814241 is about 12837.9998831594. Note that the first 3 decimals coincide. The cubic root of 164814241 is about 548.2747492301.

The spelling of 164814241 in words is "one hundred sixty-four million, eight hundred fourteen thousand, two hundred forty-one".