16115505831360 has 672 divisors, whose sum is σ = 63060735366720. Its totient is φ = 3744689356800.

The previous prime is 16115505831323. The next prime is 16115505831371. The reversal of 16115505831360 is 6313850551161.

16115505831360 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 5 + 5 + 0 + 583 + 1 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 199851850 + ... + 199932470.

It is an arithmetic number, because the mean of its divisors is an integer number (93840380010).

Almost surely, 2^{16115505831360} is an apocalyptic number.

16115505831360 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 16115505831360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31530367683360).

16115505831360 is an abundant number, since it is smaller than the sum of its proper divisors (46945229535360).

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

16115505831360 is a wasteful number, since it uses less digits than its factorization.

16115505831360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80957 (or 80944 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 16115505831360 in words is "sixteen trillion, one hundred fifteen billion, five hundred five million, eight hundred thirty-one thousand, three hundred sixty".