100666065516479 has 2 divisors, whose sum is σ = 100666065516480. Its totient is φ = 100666065516478.

The previous prime is 100666065516439. The next prime is 100666065516491. The reversal of 100666065516479 is 974615560666001.

It is a strong prime.

It is an emirp because it is prime and its reverse (974615560666001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100666065516479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100666065516439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50333032758239 + 50333032758240.

It is an arithmetic number, because the mean of its divisors is an integer number (50333032758240).

Almost surely, 2^{100666065516479} is an apocalyptic number.

100666065516479 is a deficient number, since it is larger than the sum of its proper divisors (1).

100666065516479 is an equidigital number, since it uses as much as digits as its factorization.

100666065516479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 100666065516479 in words is "one hundred trillion, six hundred sixty-six billion, sixty-five million, five hundred sixteen thousand, four hundred seventy-nine".