6600791 has 2 divisors, whose sum is σ = 6600792. Its totient is φ = 6600790.

The previous prime is 6600787. The next prime is 6600823. The reversal of 6600791 is 1970066.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6600791 - 2² = 6600787 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6600721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300395 + 3300396.

It is an arithmetic number, because the mean of its divisors is an integer number (3300396).

Almost surely, 2^6600791 is an apocalyptic number.

6600791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6600791 is an equidigital number, since it uses as much as digits as its factorization.

6600791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 6600791 is about 2569.2004592869. The cubic root of 6600791 is about 187.5852388735.

The spelling of 6600791 in words is "six million, six hundred thousand, seven hundred ninety-one".