6650656 has 12 divisors (see below), whose sum is σ = 13093542. Its totient is φ = 3325312.

The previous prime is 6650629. The next prime is 6650659. The reversal of 6650656 is 6560566.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 1175056 = 2340^2 + 1084^2 .

It is not an unprimeable number, because it can be changed into a prime (6650659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103885 + ... + 103948.

Almost surely, 2^6650656 is an apocalyptic number.

It is an amenable number.

6650656 is a deficient number, since it is larger than the sum of its proper divisors (6442886).

6650656 is a wasteful number, since it uses less digits than its factorization.

6650656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207843 (or 207835 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 6650656 is about 2578.8865814533. The cubic root of 6650656 is about 188.0564188600.

The spelling of 6650656 in words is "six million, six hundred fifty thousand, six hundred fifty-six".