16326949 has 2 divisors, whose sum is σ = 16326950. Its totient is φ = 16326948.

The previous prime is 16326929. The next prime is 16326967. The reversal of 16326949 is 94962361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 842724 = 3935^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 16326949 - 2⁵ = 16326917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16326929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8163474 + 8163475.

It is an arithmetic number, because the mean of its divisors is an integer number (8163475).

Almost surely, 2^16326949 is an apocalyptic number.

It is an amenable number.

16326949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16326949 is an equidigital number, since it uses as much as digits as its factorization.

16326949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 16326949 is about 4040.6619507205. The cubic root of 16326949 is about 253.6890246365.

The spelling of 16326949 in words is "sixteen million, three hundred twenty-six thousand, nine hundred forty-nine".