2016219839744 has 72 divisors (see below), whose sum is σ = 4390814332128. Its totient is φ = 916384020480.

The previous prime is 2016219839719. The next prime is 2016219839759. The reversal of 2016219839744 is 4479389126102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2016219839744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42996599 + ... + 43043465.

Almost surely, 2^{2016219839744} is an apocalyptic number.

It is an amenable number.

2016219839744 is an abundant number, since it is smaller than the sum of its proper divisors (2374594492384).

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

2016219839744 is a wasteful number, since it uses less digits than its factorization.

2016219839744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62171 (or 62157 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 2016219839744 in words is "two trillion, sixteen billion, two hundred nineteen million, eight hundred thirty-nine thousand, seven hundred forty-four".