2116645162116 has 96 divisors (see below), whose sum is σ = 5328787419648. Its totient is φ = 651423252480.

The previous prime is 2116645162097. The next prime is 2116645162157. The reversal of 2116645162116 is 6112615466112.

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, 150312196 + ... + 150326276.

It is an arithmetic number, because the mean of its divisors is an integer number (55508202288).

Almost surely, 2^{2116645162116} 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 2116645162116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664393709824).

2116645162116 is an abundant number, since it is smaller than the sum of its proper divisors (3212142257532).

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

2116645162116 is a wasteful number, since it uses less digits than its factorization.

2116645162116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28061 (or 28059 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The spelling of 2116645162116 in words is "two trillion, one hundred sixteen billion, six hundred forty-five million, one hundred sixty-two thousand, one hundred sixteen".