6506600101 has 2 divisors, whose sum is σ = 6506600102. Its totient is φ = 6506600100.

The previous prime is 6506600099. The next prime is 6506600207. The reversal of 6506600101 is 1010066056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4299949476 + 2206650625 = 65574^2 + 46975^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506600101 - 2¹ = 6506600099 is a prime.

Together with 6506600099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6506610101) 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 as a sum of consecutive naturals, namely, 3253300050 + 3253300051.

It is an arithmetic number, because the mean of its divisors is an integer number (3253300051).

Almost surely, 2^6506600101 is an apocalyptic number.

It is an amenable number.

6506600101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506600101 is an equidigital number, since it uses as much as digits as its factorization.

6506600101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6506600101 is about 80663.4991864350. The cubic root of 6506600101 is about 1866.8870301319.

Adding to 6506600101 its reverse (1010066056), we get a palindrome (7516666157).

The spelling of 6506600101 in words is "six billion, five hundred six million, six hundred thousand, one hundred one".