6633667 has 2 divisors, whose sum is σ = 6633668. Its totient is φ = 6633666.

The previous prime is 6633661. The next prime is 6633701. The reversal of 6633667 is 7663366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6633667 - 2¹¹ = 6631619 is a prime.

It is not a weakly prime, because it can be changed into another prime (6633661) 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 as a sum of consecutive naturals, namely, 3316833 + 3316834.

It is an arithmetic number, because the mean of its divisors is an integer number (3316834).

Almost surely, 2^6633667 is an apocalyptic number.

6633667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6633667 is an equidigital number, since it uses as much as digits as its factorization.

6633667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 6633667 is about 2575.5906118791. The cubic root of 6633667 is about 187.8961532260.

It can be divided in two parts, 66 and 33667, that added together give a palindrome (33733).

The spelling of 6633667 in words is "six million, six hundred thirty-three thousand, six hundred sixty-seven".