6659650 has 24 divisors (see below), whose sum is σ = 12927744. Its totient is φ = 2547600.

The previous prime is 6659623. The next prime is 6659663. The reversal of 6659650 is 569566.

It is a happy number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1746 + ... + 4045.

It is an arithmetic number, because the mean of its divisors is an integer number (538656).

Almost surely, 2^6659650 is an apocalyptic number.

6659650 is a deficient number, since it is larger than the sum of its proper divisors (6268094).

6659650 is a wasteful number, since it uses less digits than its factorization.

6659650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826 (or 5821 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 6659650 is about 2580.6297680993. The cubic root of 6659650 is about 188.1411532360.

The spelling of 6659650 in words is "six million, six hundred fifty-nine thousand, six hundred fifty".