16061605611966 has 24 divisors (see below), whose sum is σ = 34811433366840. Its totient is φ = 5352131941296.

The previous prime is 16061605611949. The next prime is 16061605611979. The reversal of 16061605611966 is 66911650616061.

It is a happy number.

16061605611966 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 1 + 6 + 0 + 561 + 19 + 66 = 666.

16061605611966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144659301 + ... + 144770288.

It is an arithmetic number, because the mean of its divisors is an integer number (1450476390285).

Almost surely, 2^{16061605611966} is an apocalyptic number.

16061605611966 is an abundant number, since it is smaller than the sum of its proper divisors (18749827754874).

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

16061605611966 is a wasteful number, since it uses less digits than its factorization.

16061605611966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289432680 (or 289432677 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 16061605611966 in words is "sixteen trillion, sixty-one billion, six hundred five million, six hundred eleven thousand, nine hundred sixty-six".