2116481225616 has 120 divisors (see below), whose sum is σ = 5976570600000. Its totient is φ = 699159511296.

The previous prime is 2116481225611. The next prime is 2116481225629. The reversal of 2116481225616 is 6165221846112.

2116481225616 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 4 + 8 + 1 + 2 + 25 + 616 = 666.

It is not an unprimeable number, because it can be changed into a prime (2116481225611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9306835 + ... + 9531533.

It is an arithmetic number, because the mean of its divisors is an integer number (49804755000).

Almost surely, 2^{2116481225616} 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 2116481225616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2988285300000).

2116481225616 is an abundant number, since it is smaller than the sum of its proper divisors (3860089374384).

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

2116481225616 is a wasteful number, since it uses less digits than its factorization.

2116481225616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225301 (or 225292 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 2116481225616 in words is "two trillion, one hundred sixteen billion, four hundred eighty-one million, two hundred twenty-five thousand, six hundred sixteen".