2066860958101 has 2 divisors, whose sum is σ = 2066860958102. Its totient is φ = 2066860958100.

The previous prime is 2066860958089. The next prime is 2066860958177. The reversal of 2066860958101 is 1018590686602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712562205201 + 354298752900 = 1308649^2 + 595230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066860958101 - 2¹¹ = 2066860956053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066860928101) 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, 1033430479050 + 1033430479051.

It is an arithmetic number, because the mean of its divisors is an integer number (1033430479051).

Almost surely, 2^{2066860958101} is an apocalyptic number.

It is an amenable number.

2066860958101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066860958101 is an equidigital number, since it uses as much as digits as its factorization.

2066860958101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 2066860958101 in words is "two trillion, sixty-six billion, eight hundred sixty million, nine hundred fifty-eight thousand, one hundred one".