16446849 has 8 divisors (see below), whose sum is σ = 22069440. Its totient is φ = 10894416.

The previous prime is 16446847. The next prime is 16446869. The reversal of 16446849 is 94864461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16446849 - 2¹ = 16446847 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16446849.

It is not an unprimeable number, because it can be changed into a prime (16446841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16989 + ... + 17930.

It is an arithmetic number, because the mean of its divisors is an integer number (2758680).

Almost surely, 2^16446849 is an apocalyptic number.

It is an amenable number.

16446849 is a deficient number, since it is larger than the sum of its proper divisors (5622591).

16446849 is a wasteful number, since it uses less digits than its factorization.

16446849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35079.

The product of its digits is 165888, while the sum is 42.

The square root of 16446849 is about 4055.4714892353. The cubic root of 16446849 is about 254.3085149026.

The spelling of 16446849 in words is "sixteen million, four hundred forty-six thousand, eight hundred forty-nine".