18882513318 has 32 divisors (see below), whose sum is σ = 38494022112. Its totient is φ = 6173625600.

The previous prime is 18882513317. The next prime is 18882513337. The reversal of 18882513318 is 81331528881.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18882513311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39813 + ... + 198368.

It is an arithmetic number, because the mean of its divisors is an integer number (1202938191).

Almost surely, 2^18882513318 is an apocalyptic number.

18882513318 is an abundant number, since it is smaller than the sum of its proper divisors (19611508794).

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

18882513318 is a wasteful number, since it uses less digits than its factorization.

18882513318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238440.

The product of its digits is 368640, while the sum is 48.

The spelling of 18882513318 in words is "eighteen billion, eight hundred eighty-two million, five hundred thirteen thousand, three hundred eighteen".