2116342151616 has 224 divisors, whose sum is σ = 7016271667200. Its totient is φ = 546936192000.

The previous prime is 2116342151597. The next prime is 2116342151621. The reversal of 2116342151616 is 6161512436112.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×2116342151616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2582341 + ... + 3301691.

Almost surely, 2^{2116342151616} 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 2116342151616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508135833600).

2116342151616 is an abundant number, since it is smaller than the sum of its proper divisors (4899929515584).

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

2116342151616 is a wasteful number, since it uses less digits than its factorization.

2116342151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719583 (or 719573 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

Adding to 2116342151616 its reverse (6161512436112), we get a palindrome (8277854587728).

The spelling of 2116342151616 in words is "two trillion, one hundred sixteen billion, three hundred forty-two million, one hundred fifty-one thousand, six hundred sixteen".