16530737 has 2 divisors, whose sum is σ = 16530738. Its totient is φ = 16530736.

The previous prime is 16530727. The next prime is 16530757. The reversal of 16530737 is 73703561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16516096 + 14641 = 4064^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 16530737 - 2²⁰ = 15482161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16530707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265368 + 8265369.

It is an arithmetic number, because the mean of its divisors is an integer number (8265369).

Almost surely, 2^16530737 is an apocalyptic number.

It is an amenable number.

16530737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530737 is an equidigital number, since it uses as much as digits as its factorization.

16530737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 16530737 is about 4065.8009051108. The cubic root of 16530737 is about 254.7401530920.

The spelling of 16530737 in words is "sixteen million, five hundred thirty thousand, seven hundred thirty-seven".