16601045111560 has 128 divisors (see below), whose sum is σ = 45979016670720. Its totient is φ = 5253169508352.

The previous prime is 16601045111513. The next prime is 16601045111597. The reversal of 16601045111560 is 6511154010661.

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, 24184197 + ... + 24861163.

It is an arithmetic number, because the mean of its divisors is an integer number (359211067740).

Almost surely, 2^{16601045111560} is an apocalyptic number.

16601045111560 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 16601045111560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22989508335360).

16601045111560 is an abundant number, since it is smaller than the sum of its proper divisors (29377971559160).

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

16601045111560 is a wasteful number, since it uses less digits than its factorization.

16601045111560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683735 (or 683731 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 16601045111560 in words is "sixteen trillion, six hundred one billion, forty-five million, one hundred eleven thousand, five hundred sixty".