18032274071 has 4 divisors (see below), whose sum is σ = 20608313232. Its totient is φ = 15456234912.

The previous prime is 18032274059. The next prime is 18032274103. The reversal of 18032274071 is 17047223081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18032274071 - 2¹⁸ = 18032011927 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 (18032274011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288019570 + ... + 1288019583.

It is an arithmetic number, because the mean of its divisors is an integer number (5152078308).

Almost surely, 2^18032274071 is an apocalyptic number.

18032274071 is a deficient number, since it is larger than the sum of its proper divisors (2576039161).

18032274071 is an equidigital number, since it uses as much as digits as its factorization.

18032274071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576039160.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 18032274071 in words is "eighteen billion, thirty-two million, two hundred seventy-four thousand, seventy-one".