18094408599671 has 32 divisors (see below), whose sum is σ = 18998627760000. Its totient is φ = 17200408135680.

The previous prime is 18094408599647. The next prime is 18094408599713. The reversal of 18094408599671 is 17699580449081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18094408599671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18094408599595 and 18094408599604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18094408599271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3892105355 + ... + 3892110003.

It is an arithmetic number, because the mean of its divisors is an integer number (593707117500).

Almost surely, 2^{18094408599671} is an apocalyptic number.

18094408599671 is a deficient number, since it is larger than the sum of its proper divisors (904219160329).

18094408599671 is a wasteful number, since it uses less digits than its factorization.

18094408599671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 156764160, while the sum is 71.

The spelling of 18094408599671 in words is "eighteen trillion, ninety-four billion, four hundred eight million, five hundred ninety-nine thousand, six hundred seventy-one".