18283318252 has 24 divisors (see below), whose sum is σ = 33758000640. Its totient is φ = 8640409680.

The previous prime is 18283318223. The next prime is 18283318283. The reversal of 18283318252 is 25281338281.

It is a junction number, because it is equal to n+sod(n) for n = 18283318199 and 18283318208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246328 + ... + 311839.

It is an arithmetic number, because the mean of its divisors is an integer number (1406583360).

Almost surely, 2^18283318252 is an apocalyptic number.

It is an amenable number.

18283318252 is a deficient number, since it is larger than the sum of its proper divisors (15474682388).

18283318252 is a wasteful number, since it uses less digits than its factorization.

18283318252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558621 (or 558619 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The spelling of 18283318252 in words is "eighteen billion, two hundred eighty-three million, three hundred eighteen thousand, two hundred fifty-two".