18282872116 has 12 divisors (see below), whose sum is σ = 32097248932. Its totient is φ = 9112229568.

The previous prime is 18282872107. The next prime is 18282872131. The reversal of 18282872116 is 61127828281.

It can be written as a sum of positive squares in 2 ways, for example, as 1122920100 + 17159952016 = 33510^2 + 130996^2 .

It is a super-3 number, since 3×18282872116³ (a number of 32 digits) contains 333 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, 7300215 + ... + 7302718.

Almost surely, 2^18282872116 is an apocalyptic number.

It is an amenable number.

18282872116 is a deficient number, since it is larger than the sum of its proper divisors (13814376816).

18282872116 is a wasteful number, since it uses less digits than its factorization.

18282872116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603250 (or 14603248 counting only the distinct ones).

The product of its digits is 172032, while the sum is 46.

The spelling of 18282872116 in words is "eighteen billion, two hundred eighty-two million, eight hundred seventy-two thousand, one hundred sixteen".