2016161113212 has 144 divisors (see below), whose sum is σ = 5184038845440. Its totient is φ = 660615008256.

The previous prime is 2016161113199. The next prime is 2016161113237. The reversal of 2016161113212 is 2123111616102.

2016161113212 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 1 + 611 + 1 + 32 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 356398288 + ... + 356403944.

It is an arithmetic number, because the mean of its divisors is an integer number (36000269760).

Almost surely, 2^{2016161113212} is an apocalyptic number.

It is an amenable number.

2016161113212 is an abundant number, since it is smaller than the sum of its proper divisors (3167877732228).

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

2016161113212 is a wasteful number, since it uses less digits than its factorization.

2016161113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500 (or 6495 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 2016161113212 its reverse (2123111616102), we get a palindrome (4139272729314).

The spelling of 2016161113212 in words is "two trillion, sixteen billion, one hundred sixty-one million, one hundred thirteen thousand, two hundred twelve".