6613664327 has 2 divisors, whose sum is σ = 6613664328. Its totient is φ = 6613664326.

The previous prime is 6613664311. The next prime is 6613664353. The reversal of 6613664327 is 7234663166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6613664327 - 2⁴ = 6613664311 is a prime.

It is a super-3 number, since 3×6613664327³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6613666327) 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 as a sum of consecutive naturals, namely, 3306832163 + 3306832164.

It is an arithmetic number, because the mean of its divisors is an integer number (3306832164).

Almost surely, 2^6613664327 is an apocalyptic number.

6613664327 is a deficient number, since it is larger than the sum of its proper divisors (1).

6613664327 is an equidigital number, since it uses as much as digits as its factorization.

6613664327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 44.

The square root of 6613664327 is about 81324.4386823543. The cubic root of 6613664327 is about 1877.0710699266.

The spelling of 6613664327 in words is "six billion, six hundred thirteen million, six hundred sixty-four thousand, three hundred twenty-seven".