6670216001 has 2 divisors, whose sum is σ = 6670216002. Its totient is φ = 6670216000.

The previous prime is 6670215991. The next prime is 6670216081. The reversal of 6670216001 is 1006120766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4237359025 + 2432856976 = 65095^2 + 49324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6670216001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6670216081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335108000 + 3335108001.

It is an arithmetic number, because the mean of its divisors is an integer number (3335108001).

Almost surely, 2^6670216001 is an apocalyptic number.

It is an amenable number.

6670216001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670216001 is an equidigital number, since it uses as much as digits as its factorization.

6670216001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6670216001 is about 81671.3903457018. The cubic root of 6670216001 is about 1882.4060036534.

Adding to 6670216001 its reverse (1006120766), we get a palindrome (7676336767).

The spelling of 6670216001 in words is "six billion, six hundred seventy million, two hundred sixteen thousand, one".