18383846352 has 40 divisors (see below), whose sum is σ = 47502730464. Its totient is φ = 6126513024.

The previous prime is 18383846347. The next prime is 18383846363. The reversal of 18383846352 is 25364838381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18383846295 and 18383846304.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 173043 + ... + 258285.

Almost surely, 2^18383846352 is an apocalyptic number.

18383846352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18383846352 is an abundant number, since it is smaller than the sum of its proper divisors (29118884112).

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

18383846352 is a wasteful number, since it uses less digits than its factorization.

18383846352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89747 (or 89741 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 18383846352 in words is "eighteen billion, three hundred eighty-three million, eight hundred forty-six thousand, three hundred fifty-two".