16449073 has 2 divisors, whose sum is σ = 16449074. Its totient is φ = 16449072.

The previous prime is 16449049. The next prime is 16449109. The reversal of 16449073 is 37094461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 7969329 = 2912^2 + 2823^2 .

It is a cyclic number.

It is not a de Polignac number, because 16449073 - 2⁹ = 16448561 is a prime.

It is not a weakly prime, because it can be changed into another prime (16449373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8224536 + 8224537.

It is an arithmetic number, because the mean of its divisors is an integer number (8224537).

Almost surely, 2^16449073 is an apocalyptic number.

It is an amenable number.

16449073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16449073 is an equidigital number, since it uses as much as digits as its factorization.

16449073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16449073 is about 4055.7456774310. The cubic root of 16449073 is about 254.3199772126.

The spelling of 16449073 in words is "sixteen million, four hundred forty-nine thousand, seventy-three".