6600600001 has 2 divisors, whose sum is σ = 6600600002. Its totient is φ = 6600600000.

The previous prime is 6600599933. The next prime is 6600600023. The reversal of 6600600001 is 1000060066.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6091646401 + 508953600 = 78049^2 + 22560^2 .

It is a cyclic number.

It is not a de Polignac number, because 6600600001 - 2²³ = 6592211393 is a prime.

It is not a weakly prime, because it can be changed into another prime (6600600091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300300000 + 3300300001.

It is an arithmetic number, because the mean of its divisors is an integer number (3300300001).

Almost surely, 2^6600600001 is an apocalyptic number.

It is an amenable number.

6600600001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6600600001 is an equidigital number, since it uses as much as digits as its factorization.

6600600001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 6600600001 is about 81244.0767133211. The cubic root of 6600600001 is about 1875.8342954803.

Adding to 6600600001 its reverse (1000060066), we get a palindrome (7600660067).

The spelling of 6600600001 in words is "six billion, six hundred million, six hundred thousand, one".