6106600066649 has 2 divisors, whose sum is σ = 6106600066650. Its totient is φ = 6106600066648.

The previous prime is 6106600066643. The next prime is 6106600066687. The reversal of 6106600066649 is 9466600066016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3256942090000 + 2849657976649 = 1804700^2 + 1688093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6106600066649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6106600066597 and 6106600066606.

It is not a weakly prime, because it can be changed into another prime (6106600066643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053300033324 + 3053300033325.

It is an arithmetic number, because the mean of its divisors is an integer number (3053300033325).

Almost surely, 2^{6106600066649} is an apocalyptic number.

It is an amenable number.

6106600066649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6106600066649 is an equidigital number, since it uses as much as digits as its factorization.

6106600066649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 6106600066649 in words is "six trillion, one hundred six billion, six hundred million, sixty-six thousand, six hundred forty-nine".