6606091 has 8 divisors (see below), whose sum is σ = 7142480. Its totient is φ = 6088608.

The previous prime is 6606077. The next prime is 6606097. The reversal of 6606091 is 1906066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6606091 - 2⁹ = 6605579 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6606097) 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 in 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (892810).

Almost surely, 2^6606091 is an apocalyptic number.

6606091 is a deficient number, since it is larger than the sum of its proper divisors (536389).

6606091 is a wasteful number, since it uses less digits than its factorization.

6606091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9453.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 6606091 is about 2570.2317016176. The cubic root of 6606091 is about 187.6354316354.

The spelling of 6606091 in words is "six million, six hundred six thousand, ninety-one".