16444113 has 16 divisors (see below), whose sum is σ = 25309056. Its totient is φ = 9302400.

The previous prime is 16444111. The next prime is 16444121. The reversal of 16444113 is 31144461.

It is not a de Polignac number, because 16444113 - 2¹ = 16444111 is a prime.

It is a super-3 number, since 3×16444113³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16444111) 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, 1756 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (1581816).

Almost surely, 2^16444113 is an apocalyptic number.

It is an amenable number.

16444113 is a deficient number, since it is larger than the sum of its proper divisors (8864943).

16444113 is a wasteful number, since it uses less digits than its factorization.

16444113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864.

The product of its digits is 1152, while the sum is 24.

The square root of 16444113 is about 4055.1341531446. The cubic root of 16444113 is about 254.2944123698.

Adding to 16444113 its reverse (31144461), we get a palindrome (47588574).

The spelling of 16444113 in words is "sixteen million, four hundred forty-four thousand, one hundred thirteen".