2116445412 has 12 divisors (see below), whose sum is σ = 4938372656. Its totient is φ = 705481800.

The previous prime is 2116445411. The next prime is 2116445437. The reversal of 2116445412 is 2145446112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2116445412.

It is not an unprimeable number, because it can be changed into a prime (2116445411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88185214 + ... + 88185237.

Almost surely, 2^2116445412 is an apocalyptic number.

It is an amenable number.

2116445412 is an abundant number, since it is smaller than the sum of its proper divisors (2821927244).

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

2116445412 is a wasteful number, since it uses less digits than its factorization.

2116445412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176370458 (or 176370456 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 2116445412 is about 46004.8411800323. The cubic root of 2116445412 is about 1283.9132786608.

The spelling of 2116445412 in words is "two billion, one hundred sixteen million, four hundred forty-five thousand, four hundred twelve".