6630655001 has 2 divisors, whose sum is σ = 6630655002. Its totient is φ = 6630655000.

The previous prime is 6630654991. The next prime is 6630655021. The reversal of 6630655001 is 1005560366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4258867600 + 2371787401 = 65260^2 + 48701^2 .

It is a cyclic number.

It is not a de Polignac number, because 6630655001 - 2¹⁰ = 6630653977 is a prime.

It is not a weakly prime, because it can be changed into another prime (6630655021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315327500 + 3315327501.

It is an arithmetic number, because the mean of its divisors is an integer number (3315327501).

Almost surely, 2^6630655001 is an apocalyptic number.

It is an amenable number.

6630655001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630655001 is an equidigital number, since it uses as much as digits as its factorization.

6630655001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 6630655001 is about 81428.8339656169. The cubic root of 6630655001 is about 1878.6771100330.

The spelling of 6630655001 in words is "six billion, six hundred thirty million, six hundred fifty-five thousand, one".