16630073 has 4 divisors (see below), whose sum is σ = 17505360. Its totient is φ = 15754788.

The previous prime is 16630067. The next prime is 16630087. The reversal of 16630073 is 37003661.

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.

It is a cyclic number.

It is not a de Polignac number, because 16630073 - 2¹⁸ = 16367929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16630093) 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, 437615 + ... + 437652.

It is an arithmetic number, because the mean of its divisors is an integer number (4376340).

Almost surely, 2^16630073 is an apocalyptic number.

It is an amenable number.

16630073 is a deficient number, since it is larger than the sum of its proper divisors (875287).

16630073 is an equidigital number, since it uses as much as digits as its factorization.

16630073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875286.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 16630073 is about 4077.9986512994. The cubic root of 16630073 is about 255.2493933295.

The spelling of 16630073 in words is "sixteen million, six hundred thirty thousand, seventy-three".