18068411740243 has 16 divisors (see below), whose sum is σ = 19385393495040. Its totient is φ = 16796766466656.

The previous prime is 18068411740217. The next prime is 18068411740279. The reversal of 18068411740243 is 34204711486081.

It is a cyclic number.

It is not a de Polignac number, because 18068411740243 - 2²⁵ = 18068378185811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18068411750243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11213583 + ... + 12723256.

It is an arithmetic number, because the mean of its divisors is an integer number (1211587093440).

Almost surely, 2^{18068411740243} is an apocalyptic number.

18068411740243 is a deficient number, since it is larger than the sum of its proper divisors (1316981754797).

18068411740243 is a wasteful number, since it uses less digits than its factorization.

18068411740243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23937786.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 18068411740243 in words is "eighteen trillion, sixty-eight billion, four hundred eleven million, seven hundred forty thousand, two hundred forty-three".