16530937 has 2 divisors, whose sum is σ = 16530938. Its totient is φ = 16530936.

The previous prime is 16530929. The next prime is 16530947. The reversal of 16530937 is 73903561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10523536 + 6007401 = 3244^2 + 2451^2 .

It is a cyclic number.

It is not a de Polignac number, because 16530937 - 2³ = 16530929 is a prime.

It is not a weakly prime, because it can be changed into another prime (16530947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265468 + 8265469.

It is an arithmetic number, because the mean of its divisors is an integer number (8265469).

Almost surely, 2^16530937 is an apocalyptic number.

It is an amenable number.

16530937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530937 is an equidigital number, since it uses as much as digits as its factorization.

16530937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 16530937 is about 4065.8255004365. The cubic root of 16530937 is about 254.7411804272.

The spelling of 16530937 in words is "sixteen million, five hundred thirty thousand, nine hundred thirty-seven".