6666051060601 has 2 divisors, whose sum is σ = 6666051060602. Its totient is φ = 6666051060600.

The previous prime is 6666051060499. The next prime is 6666051060677. The reversal of 6666051060601 is 1060601506666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4917372775225 + 1748678285376 = 2217515^2 + 1322376^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666051060601 - 2¹⁷ = 6666050929529 is a prime.

It is a super-3 number, since 3×6666051060601³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6666051061601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333025530300 + 3333025530301.

It is an arithmetic number, because the mean of its divisors is an integer number (3333025530301).

Almost surely, 2^{6666051060601} is an apocalyptic number.

It is an amenable number.

6666051060601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666051060601 is an equidigital number, since it uses as much as digits as its factorization.

6666051060601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 6666051060601 in words is "six trillion, six hundred sixty-six billion, fifty-one million, sixty thousand, six hundred one".