6660367 has 8 divisors (see below), whose sum is σ = 7642112. Its totient is φ = 5686200.

The previous prime is 6660359. The next prime is 6660371. The reversal of 6660367 is 7630666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6660367 - 2³ = 6660359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660307) 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, 142 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (955264).

Almost surely, 2^6660367 is an apocalyptic number.

6660367 is a deficient number, since it is larger than the sum of its proper divisors (981745).

6660367 is a wasteful number, since it uses less digits than its factorization.

6660367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 6660367 is about 2580.7686839390. The cubic root of 6660367 is about 188.1479049605.

Subtracting 6660367 from its reverse (7630666), we obtain a cube (970299 = 99³).

The spelling of 6660367 in words is "six million, six hundred sixty thousand, three hundred sixty-seven".