6606133231 has 4 divisors (see below), whose sum is σ = 6608464632. Its totient is φ = 6603801832.

The previous prime is 6606133223. The next prime is 6606133253. The reversal of 6606133231 is 1323316066.

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 6606133231 - 2³ = 6606133223 is a prime.

It is a super-2 number, since 2×6606133231² = 87281992531444998722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6606133193 and 6606133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606133031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161445 + ... + 1167118.

It is an arithmetic number, because the mean of its divisors is an integer number (1652116158).

Almost surely, 2^6606133231 is an apocalyptic number.

6606133231 is a deficient number, since it is larger than the sum of its proper divisors (2331401).

6606133231 is a wasteful number, since it uses less digits than its factorization.

6606133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331400.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 6606133231 is about 81278.1227083894. The cubic root of 6606133231 is about 1876.3583146916.

Adding to 6606133231 its reverse (1323316066), we get a palindrome (7929449297).

The spelling of 6606133231 in words is "six billion, six hundred six million, one hundred thirty-three thousand, two hundred thirty-one".