6663467 has 4 divisors (see below), whose sum is σ = 6703536. Its totient is φ = 6623400.

The previous prime is 6663451. The next prime is 6663469. The reversal of 6663467 is 7643666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6663467 - 2⁴ = 6663451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6663467.

It is not an unprimeable number, because it can be changed into a prime (6663469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19784 + ... + 20117.

It is an arithmetic number, because the mean of its divisors is an integer number (1675884).

Almost surely, 2^6663467 is an apocalyptic number.

6663467 is a deficient number, since it is larger than the sum of its proper divisors (40069).

6663467 is a wasteful number, since it uses less digits than its factorization.

6663467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40068.

The product of its digits is 108864, while the sum is 38.

The square root of 6663467 is about 2581.3692103223. The cubic root of 6663467 is about 188.1770909417.

The spelling of 6663467 in words is "six million, six hundred sixty-three thousand, four hundred sixty-seven".