16444461 has 16 divisors (see below), whose sum is σ = 23989248. Its totient is φ = 9937200.

The previous prime is 16444459. The next prime is 16444487.

16444461 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16444461 - 2¹ = 16444459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16443461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17596 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (1499328).

Almost surely, 2^16444461 is an apocalyptic number.

16444461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16444461 is a deficient number, since it is larger than the sum of its proper divisors (7544787).

16444461 is a wasteful number, since it uses less digits than its factorization.

16444461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its digits is 9216, while the sum is 30.

The square root of 16444461 is about 4055.1770614857. The cubic root of 16444461 is about 254.2962061999.

It can be divided in two parts, 1644 and 4461, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 16444461 in words is "sixteen million, four hundred forty-four thousand, four hundred sixty-one".