6660606101101 has 2 divisors, whose sum is σ = 6660606101102. Its totient is φ = 6660606101100.

The previous prime is 6660606101041. The next prime is 6660606101141. The reversal of 6660606101101 is 1011016060666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5281038398601 + 1379567702500 = 2298051^2 + 1174550^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660606101101 - 2¹⁹ = 6660605576813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6660606101141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330303050550 + 3330303050551.

It is an arithmetic number, because the mean of its divisors is an integer number (3330303050551).

Almost surely, 2^{6660606101101} is an apocalyptic number.

It is an amenable number.

6660606101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660606101101 is an equidigital number, since it uses as much as digits as its factorization.

6660606101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 6660606101101 in words is "six trillion, six hundred sixty billion, six hundred six million, one hundred one thousand, one hundred one".