16530037 has 4 divisors (see below), whose sum is σ = 17063296. Its totient is φ = 15996780.

The previous prime is 16530013. The next prime is 16530043. The reversal of 16530037 is 73003561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73003561 = 2081 ⋅35081.

It is a cyclic number.

It is not a de Polignac number, because 16530037 - 2¹⁹ = 16005749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16529993 and 16530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266583 + ... + 266644.

It is an arithmetic number, because the mean of its divisors is an integer number (4265824).

Almost surely, 2^16530037 is an apocalyptic number.

It is an amenable number.

16530037 is a deficient number, since it is larger than the sum of its proper divisors (533259).

16530037 is an equidigital number, since it uses as much as digits as its factorization.

16530037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533258.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 16530037 is about 4065.7148202991. The cubic root of 16530037 is about 254.7365573535.

Adding to 16530037 its reverse (73003561), we get a palindrome (89533598).

The spelling of 16530037 in words is "sixteen million, five hundred thirty thousand, thirty-seven".