18827328916 has 12 divisors (see below), whose sum is σ = 35943082560. Its totient is φ = 8557876760.

The previous prime is 18827328881. The next prime is 18827328941. The reversal of 18827328916 is 61982372881.

It is a super-2 number, since 2×18827328916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213946876 + ... + 213946963.

It is an arithmetic number, because the mean of its divisors is an integer number (2995256880).

Almost surely, 2^18827328916 is an apocalyptic number.

It is an amenable number.

18827328916 is a deficient number, since it is larger than the sum of its proper divisors (17115753644).

18827328916 is a wasteful number, since it uses less digits than its factorization.

18827328916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427893854 (or 427893852 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

It can be divided in two parts, 18827 and 328916, that added together give a palindrome (347743).

The spelling of 18827328916 in words is "eighteen billion, eight hundred twenty-seven million, three hundred twenty-eight thousand, nine hundred sixteen".