18108287422 has 8 divisors (see below), whose sum is σ = 27197755200. Its totient is φ = 9042369024.

The previous prime is 18108287369. The next prime is 18108287423. The reversal of 18108287422 is 22478280181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18108287423) 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 3 ways as a sum of consecutive naturals, for example, 5885422 + ... + 5888497.

It is an arithmetic number, because the mean of its divisors is an integer number (3399719400).

Almost surely, 2^18108287422 is an apocalyptic number.

18108287422 is a deficient number, since it is larger than the sum of its proper divisors (9089467778).

18108287422 is a wasteful number, since it uses less digits than its factorization.

18108287422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774690.

The product of its (nonzero) digits is 114688, while the sum is 43.

The spelling of 18108287422 in words is "eighteen billion, one hundred eight million, two hundred eighty-seven thousand, four hundred twenty-two".