18350166833359 has 2 divisors, whose sum is σ = 18350166833360. Its totient is φ = 18350166833358.

The previous prime is 18350166833303. The next prime is 18350166833387. The reversal of 18350166833359 is 95333866105381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18350166833359 - 2³⁹ = 17800411019471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18350166833297 and 18350166833306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18350166833059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9175083416679 + 9175083416680.

It is an arithmetic number, because the mean of its divisors is an integer number (9175083416680).

Almost surely, 2^{18350166833359} is an apocalyptic number.

18350166833359 is a deficient number, since it is larger than the sum of its proper divisors (1).

18350166833359 is an equidigital number, since it uses as much as digits as its factorization.

18350166833359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 18350166833359 in words is "eighteen trillion, three hundred fifty billion, one hundred sixty-six million, eight hundred thirty-three thousand, three hundred fifty-nine".