18094164871 has 8 divisors (see below), whose sum is σ = 18585973584. Its totient is φ = 17602502400.

The previous prime is 18094164839. The next prime is 18094164877. The reversal of 18094164871 is 17846149081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18094164871 - 2⁵ = 18094164839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18094164877) 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 7 ways as a sum of consecutive naturals, for example, 242871 + ... + 308503.

It is an arithmetic number, because the mean of its divisors is an integer number (2323246698).

Almost surely, 2^18094164871 is an apocalyptic number.

18094164871 is a deficient number, since it is larger than the sum of its proper divisors (491808713).

18094164871 is an equidigital number, since it uses as much as digits as its factorization.

18094164871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73121.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 18094164871 in words is "eighteen billion, ninety-four million, one hundred sixty-four thousand, eight hundred seventy-one".