18112817760 has 384 divisors, whose sum is σ = 60242434560. Its totient is φ = 4570546176.

The previous prime is 18112817753. The next prime is 18112817761. The reversal of 18112817760 is 6771821181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18112817761) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 166172586 + ... + 166172694.

It is an arithmetic number, because the mean of its divisors is an integer number (156881340).

Almost surely, 2^18112817760 is an apocalyptic number.

18112817760 is a gapful number since it is divisible by the number (10) 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 18112817760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30121217280).

18112817760 is an abundant number, since it is smaller than the sum of its proper divisors (42129616800).

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

18112817760 is a wasteful number, since it uses less digits than its factorization.

18112817760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 42.

The spelling of 18112817760 in words is "eighteen billion, one hundred twelve million, eight hundred seventeen thousand, seven hundred sixty".