164337449 has 2 divisors, whose sum is σ = 164337450. Its totient is φ = 164337448.

The previous prime is 164337409. The next prime is 164337457. The reversal of 164337449 is 944733461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 58905625 = 10268^2 + 7675^2 .

It is a cyclic number.

It is not a de Polignac number, because 164337449 - 2⁸ = 164337193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164337409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82168724 + 82168725.

It is an arithmetic number, because the mean of its divisors is an integer number (82168725).

Almost surely, 2^164337449 is an apocalyptic number.

It is an amenable number.

164337449 is a deficient number, since it is larger than the sum of its proper divisors (1).

164337449 is an equidigital number, since it uses as much as digits as its factorization.

164337449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 164337449 is about 12819.4168744136. The cubic root of 164337449 is about 547.7455362616.

The spelling of 164337449 in words is "one hundred sixty-four million, three hundred thirty-seven thousand, four hundred forty-nine".