18672187022 has 8 divisors (see below), whose sum is σ = 28974083400. Its totient is φ = 9014159224.

The previous prime is 18672187013. The next prime is 18672187081. The reversal of 18672187022 is 22078127681.

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

It is a congruent number.

It is an unprimeable number.

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, 160967072 + ... + 160967187.

It is an arithmetic number, because the mean of its divisors is an integer number (3621760425).

Almost surely, 2^18672187022 is an apocalyptic number.

18672187022 is a deficient number, since it is larger than the sum of its proper divisors (10301896378).

18672187022 is a wasteful number, since it uses less digits than its factorization.

18672187022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321934290.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 18672187022 in words is "eighteen billion, six hundred seventy-two million, one hundred eighty-seven thousand, twenty-two".