18067975787841 has 16 divisors (see below), whose sum is σ = 27532760179584. Its totient is φ = 10324330118784.

The previous prime is 18067975787789. The next prime is 18067975787863. The reversal of 18067975787841 is 14878757976081.

It is not a de Polignac number, because 18067975787841 - 2⁷ = 18067975787713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18067975785841) 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, 8499910 + ... + 10410783.

It is an arithmetic number, because the mean of its divisors is an integer number (1720797511224).

Almost surely, 2^{18067975787841} is an apocalyptic number.

It is an amenable number.

18067975787841 is a deficient number, since it is larger than the sum of its proper divisors (9464784391743).

18067975787841 is a wasteful number, since it uses less digits than its factorization.

18067975787841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18956200.

The product of its (nonzero) digits is 1327656960, while the sum is 78.

The spelling of 18067975787841 in words is "eighteen trillion, sixty-seven billion, nine hundred seventy-five million, seven hundred eighty-seven thousand, eight hundred forty-one".