6630133 has 4 divisors (see below), whose sum is σ = 6637248. Its totient is φ = 6623020.

The previous prime is 6630131. The next prime is 6630137. The reversal of 6630133 is 3310366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6630133 - 2¹ = 6630131 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 (6630131) 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, 1903 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (1659312).

Almost surely, 2^6630133 is an apocalyptic number.

It is an amenable number.

6630133 is a deficient number, since it is larger than the sum of its proper divisors (7115).

6630133 is a wasteful number, since it uses less digits than its factorization.

6630133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 6630133 is about 2574.9044642472. The cubic root of 6630133 is about 187.8627808867.

Adding to 6630133 its reverse (3310366), we get a palindrome (9940499).

The spelling of 6630133 in words is "six million, six hundred thirty thousand, one hundred thirty-three".