18718288212067 has 32 divisors (see below), whose sum is σ = 20206648800000. Its totient is φ = 17286654185856.

The previous prime is 18718288212053. The next prime is 18718288212103. The reversal of 18718288212067 is 76021288281781.

It is not a de Polignac number, because 18718288212067 - 2¹⁹ = 18718287687779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18718288211996 and 18718288212014.

It is not an unprimeable number, because it can be changed into a prime (18718288212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50839684 + ... + 51206542.

It is an arithmetic number, because the mean of its divisors is an integer number (631457775000).

Almost surely, 2^{18718288212067} is an apocalyptic number.

18718288212067 is a deficient number, since it is larger than the sum of its proper divisors (1488360587933).

18718288212067 is a wasteful number, since it uses less digits than its factorization.

18718288212067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367363.

The product of its (nonzero) digits is 9633792, while the sum is 61.

The spelling of 18718288212067 in words is "eighteen trillion, seven hundred eighteen billion, two hundred eighty-eight million, two hundred twelve thousand, sixty-seven".