6668530 has 16 divisors (see below), whose sum is σ = 13094784. Its totient is φ = 2424880.

The previous prime is 6668509. The next prime is 6668531. The reversal of 6668530 is 358666.

It is not an unprimeable number, because it can be changed into a prime (6668531) 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 in 7 ways as a sum of consecutive naturals, for example, 30202 + ... + 30421.

It is an arithmetic number, because the mean of its divisors is an integer number (818424).

Almost surely, 2^6668530 is an apocalyptic number.

6668530 is a deficient number, since it is larger than the sum of its proper divisors (6426254).

6668530 is a wasteful number, since it uses less digits than its factorization.

6668530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60641.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6668530 is about 2582.3497052104. The cubic root of 6668530 is about 188.2247387808.

The spelling of 6668530 in words is "six million, six hundred sixty-eight thousand, five hundred thirty".