18883021104 has 80 divisors (see below), whose sum is σ = 57053987200. Its totient is φ = 5963056704.

The previous prime is 18883021081. The next prime is 18883021117. The reversal of 18883021104 is 40112038881.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1142074 + ... + 1158489.

It is an arithmetic number, because the mean of its divisors is an integer number (713174840).

Almost surely, 2^18883021104 is an apocalyptic number.

It is an amenable number.

18883021104 is an abundant number, since it is smaller than the sum of its proper divisors (38170966096).

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

18883021104 is a wasteful number, since it uses less digits than its factorization.

18883021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300599 (or 2300587 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

Adding to 18883021104 its reverse (40112038881), we get a palindrome (58995059985).

The spelling of 18883021104 in words is "eighteen billion, eight hundred eighty-three million, twenty-one thousand, one hundred four".