18383366016 has 192 divisors, whose sum is σ = 55764399600. Its totient is φ = 6026711040.

The previous prime is 18383365967. The next prime is 18383366033. The reversal of 18383366016 is 61066338381.

18383366016 is a `hidden beast` number, since 1 + 8 + 3 + 8 + 3 + 36 + 601 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1892500 + ... + 1902188.

Almost surely, 2^18383366016 is an apocalyptic number.

18383366016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18383366016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27882199800).

18383366016 is an abundant number, since it is smaller than the sum of its proper divisors (37381033584).

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

18383366016 is an frugal number, since it uses more digits than its factorization.

18383366016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 18383366016 in words is "eighteen billion, three hundred eighty-three million, three hundred sixty-six thousand, sixteen".