18486174122 has 8 divisors (see below), whose sum is σ = 29862281316. Its totient is φ = 8532080352.

The previous prime is 18486174103. The next prime is 18486174137. The reversal of 18486174122 is 22147168481.

It can be written as a sum of positive squares in 2 ways, for example, as 18452777281 + 33396841 = 135841^2 + 5779^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355503323 + ... + 355503374.

Almost surely, 2^18486174122 is an apocalyptic number.

18486174122 is a deficient number, since it is larger than the sum of its proper divisors (11376107194).

18486174122 is a wasteful number, since it uses less digits than its factorization.

18486174122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711006712.

The product of its digits is 172032, while the sum is 44.

The spelling of 18486174122 in words is "eighteen billion, four hundred eighty-six million, one hundred seventy-four thousand, one hundred twenty-two".