6661324 has 12 divisors (see below), whose sum is σ = 12271000. Its totient is φ = 3155328.

The previous prime is 6661313. The next prime is 6661327. The reversal of 6661324 is 4231666.

6661324 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6661292 and 6661301.

It is not an unprimeable number, because it can be changed into a prime (6661327) 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 3 ways as a sum of consecutive naturals, for example, 43749 + ... + 43900.

Almost surely, 2^6661324 is an apocalyptic number.

It is an amenable number.

6661324 is a deficient number, since it is larger than the sum of its proper divisors (5609676).

6661324 is a wasteful number, since it uses less digits than its factorization.

6661324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87672 (or 87670 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 6661324 is about 2580.9540871546. The cubic root of 6661324 is about 188.1569159215.

The spelling of 6661324 in words is "six million, six hundred sixty-one thousand, three hundred twenty-four".