6664433201 has 8 divisors (see below), whose sum is σ = 6738844200. Its totient is φ = 6590263680.

The previous prime is 6664433137. The next prime is 6664433203. The reversal of 6664433201 is 1023344666.

It can be written as a sum of positive squares in 4 ways, for example, as 3483360400 + 3181072801 = 59020^2 + 56401^2 .

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 6664433201 - 2⁶ = 6664433137 is a prime.

It is a super-2 number, since 2×6664433201² = 88829339781182212802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6664433203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580 + ... + 115541.

It is an arithmetic number, because the mean of its divisors is an integer number (842355525).

Almost surely, 2^6664433201 is an apocalyptic number.

It is an amenable number.

6664433201 is a deficient number, since it is larger than the sum of its proper divisors (74410999).

6664433201 is a wasteful number, since it uses less digits than its factorization.

6664433201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120739.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 6664433201 is about 81635.9798189499. The cubic root of 6664433201 is about 1881.8618571204.

Adding to 6664433201 its reverse (1023344666), we get a palindrome (7687777867).

The spelling of 6664433201 in words is "six billion, six hundred sixty-four million, four hundred thirty-three thousand, two hundred one".