20116466129116 has 72 divisors (see below), whose sum is σ = 41144888324736. Its totient is φ = 8580622095360.

The previous prime is 20116466129029. The next prime is 20116466129159. The reversal of 20116466129116 is 61192166461102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189508536 + ... + 189614656.

It is an arithmetic number, because the mean of its divisors is an integer number (571456782288).

Almost surely, 2^{20116466129116} 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 20116466129116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20572444162368).

20116466129116 is an abundant number, since it is smaller than the sum of its proper divisors (21028422195620).

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

20116466129116 is a wasteful number, since it uses less digits than its factorization.

20116466129116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110699 (or 110690 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 20116466129116 in words is "twenty trillion, one hundred sixteen billion, four hundred sixty-six million, one hundred twenty-nine thousand, one hundred sixteen".