6649011 has 24 divisors (see below), whose sum is σ = 10125024. Its totient is φ = 4199040.

The previous prime is 6649007. The next prime is 6649063. The reversal of 6649011 is 1109466.

6649011 is a `hidden beast` number, since 6 + 649 + 0 + 11 = 666.

It is not a de Polignac number, because 6649011 - 2² = 6649007 is a prime.

6649011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6609011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13410 + ... + 13896.

It is an arithmetic number, because the mean of its divisors is an integer number (421876).

Almost surely, 2^6649011 is an apocalyptic number.

6649011 is a deficient number, since it is larger than the sum of its proper divisors (3476013).

6649011 is a wasteful number, since it uses less digits than its factorization.

6649011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6649011 is about 2578.5676256403. The cubic root of 6649011 is about 188.0409127045.

The spelling of 6649011 in words is "six million, six hundred forty-nine thousand, eleven".