6443116 has 6 divisors (see below), whose sum is σ = 11275460. Its totient is φ = 3221556.

The previous prime is 6443111. The next prime is 6443117. The reversal of 6443116 is 6113446.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6443111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805386 + ... + 805393.

Almost surely, 2^6443116 is an apocalyptic number.

It is an amenable number.

6443116 is a deficient number, since it is larger than the sum of its proper divisors (4832344).

6443116 is a wasteful number, since it uses less digits than its factorization.

6443116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610783 (or 1610781 counting only the distinct ones).

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

The square root of 6443116 is about 2538.3293718507. The cubic root of 6443116 is about 186.0795512800.

The spelling of 6443116 in words is "six million, four hundred forty-three thousand, one hundred sixteen".