16630441 has 4 divisors (see below), whose sum is σ = 16661392. Its totient is φ = 16599492.

The previous prime is 16630429. The next prime is 16630459. The reversal of 16630441 is 14403661.

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: 14403661 = 613 ⋅23497.

It is a cyclic number.

It is not a de Polignac number, because 16630441 - 2¹¹ = 16628393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16630241) 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, 14655 + ... + 15748.

It is an arithmetic number, because the mean of its divisors is an integer number (4165348).

Almost surely, 2^16630441 is an apocalyptic number.

It is an amenable number.

16630441 is a deficient number, since it is larger than the sum of its proper divisors (30951).

16630441 is an equidigital number, since it uses as much as digits as its factorization.

16630441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16630441 is about 4078.0437712217. The cubic root of 16630441 is about 255.2512760850.

It can be divided in two parts, 16630 and 441, that added together give a palindrome (17071).

The spelling of 16630441 in words is "sixteen million, six hundred thirty thousand, four hundred forty-one".