18532380223902 has 8 divisors (see below), whose sum is σ = 37064760447816. Its totient is φ = 6177460074632.

The previous prime is 18532380223901. The next prime is 18532380223943. The reversal of 18532380223902 is 20932208323581.

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

18532380223902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18532380223901) 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, 1544365018653 + ... + 1544365018664.

It is an arithmetic number, because the mean of its divisors is an integer number (4633095055977).

Almost surely, 2^{18532380223902} is an apocalyptic number.

18532380223902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18532380223902 is a wasteful number, since it uses less digits than its factorization.

18532380223902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088730037322.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 18532380223902 in words is "eighteen trillion, five hundred thirty-two billion, three hundred eighty million, two hundred twenty-three thousand, nine hundred two".