2066612146559 has 2 divisors, whose sum is σ = 2066612146560. Its totient is φ = 2066612146558.

The previous prime is 2066612146531. The next prime is 2066612146619. The reversal of 2066612146559 is 9556412166602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066612146559 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066612146559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066612166559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033306073279 + 1033306073280.

It is an arithmetic number, because the mean of its divisors is an integer number (1033306073280).

Almost surely, 2^{2066612146559} is an apocalyptic number.

2066612146559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066612146559 is an equidigital number, since it uses as much as digits as its factorization.

2066612146559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 2066612146559 in words is "two trillion, sixty-six billion, six hundred twelve million, one hundred forty-six thousand, five hundred fifty-nine".