18031201736768 has 224 divisors, whose sum is σ = 41272784437248. Its totient is φ = 7739672371200.

The previous prime is 18031201736749. The next prime is 18031201736773. The reversal of 18031201736768 is 86763710213081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345644255 + ... + 345696417.

It is an arithmetic number, because the mean of its divisors is an integer number (184253501952).

Almost surely, 2^{18031201736768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18031201736768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20636392218624).

18031201736768 is an abundant number, since it is smaller than the sum of its proper divisors (23241582700480).

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

18031201736768 is a wasteful number, since it uses less digits than its factorization.

18031201736768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52601 (or 52591 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 18031201736768 in words is "eighteen trillion, thirty-one billion, two hundred one million, seven hundred thirty-six thousand, seven hundred sixty-eight".