164074441 has 2 divisors, whose sum is σ = 164074442. Its totient is φ = 164074440.

The previous prime is 164074403. The next prime is 164074447. The reversal of 164074441 is 144470461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 75620416 = 9405^2 + 8696^2 .

It is an emirp because it is prime and its reverse (144470461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164074441 - 2⁹ = 164073929 is a prime.

It is not a weakly prime, because it can be changed into another prime (164074447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82037220 + 82037221.

It is an arithmetic number, because the mean of its divisors is an integer number (82037221).

Almost surely, 2^164074441 is an apocalyptic number.

It is an amenable number.

164074441 is a deficient number, since it is larger than the sum of its proper divisors (1).

164074441 is an equidigital number, since it uses as much as digits as its factorization.

164074441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 164074441 is about 12809.1545778791. The cubic root of 164074441 is about 547.4531736465.

The spelling of 164074441 in words is "one hundred sixty-four million, seventy-four thousand, four hundred forty-one".