6601133 has 24 divisors (see below), whose sum is σ = 8629344. Its totient is φ = 4989600.

The previous prime is 6601129. The next prime is 6601157. The reversal of 6601133 is 3311066.

It is not a de Polignac number, because 6601133 - 2² = 6601129 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 (6601163) 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 23 ways as a sum of consecutive naturals, for example, 19778 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (359556).

Almost surely, 2^6601133 is an apocalyptic number.

It is an amenable number.

6601133 is a deficient number, since it is larger than the sum of its proper divisors (2028211).

6601133 is a wasteful number, since it uses less digits than its factorization.

6601133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 6601133 is about 2569.2670160962. The cubic root of 6601133 is about 187.5884785380.

Adding to 6601133 its reverse (3311066), we get a palindrome (9912199).

The spelling of 6601133 in words is "six million, six hundred one thousand, one hundred thirty-three".