164446411 has 2 divisors, whose sum is σ = 164446412. Its totient is φ = 164446410.

The previous prime is 164446409. The next prime is 164446417. The reversal of 164446411 is 114644461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164446411 - 2¹ = 164446409 is a prime.

Together with 164446409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164446417) 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, 82223205 + 82223206.

It is an arithmetic number, because the mean of its divisors is an integer number (82223206).

Almost surely, 2^164446411 is an apocalyptic number.

164446411 is a deficient number, since it is larger than the sum of its proper divisors (1).

164446411 is an equidigital number, since it uses as much as digits as its factorization.

164446411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 164446411 is about 12823.6660514847. Note that the first 3 decimals coincide. The cubic root of 164446411 is about 547.8665682470.

The spelling of 164446411 in words is "one hundred sixty-four million, four hundred forty-six thousand, four hundred eleven".