18366739776041 has 2 divisors, whose sum is σ = 18366739776042. Its totient is φ = 18366739776040.

The previous prime is 18366739776031. The next prime is 18366739776053. The reversal of 18366739776041 is 14067793766381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11249342832016 + 7117396944025 = 3354004^2 + 2667845^2 .

It is a cyclic number.

It is not a de Polignac number, because 18366739776041 - 2⁶ = 18366739775977 is a prime.

It is not a weakly prime, because it can be changed into another prime (18366739776031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9183369888020 + 9183369888021.

It is an arithmetic number, because the mean of its divisors is an integer number (9183369888021).

Almost surely, 2^{18366739776041} is an apocalyptic number.

It is an amenable number.

18366739776041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18366739776041 is an equidigital number, since it uses as much as digits as its factorization.

18366739776041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192036096, while the sum is 68.

The spelling of 18366739776041 in words is "eighteen trillion, three hundred sixty-six billion, seven hundred thirty-nine million, seven hundred seventy-six thousand, forty-one".