2016839399136 has 96 divisors (see below), whose sum is σ = 5471504640000. Its totient is φ = 649817111040.

The previous prime is 2016839399131. The next prime is 2016839399147. The reversal of 2016839399136 is 6319939386102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 2016839399136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016839399131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2092990 + ... + 2900738.

It is an arithmetic number, because the mean of its divisors is an integer number (56994840000).

Almost surely, 2^{2016839399136} 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 2016839399136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2735752320000).

2016839399136 is an abundant number, since it is smaller than the sum of its proper divisors (3454665240864).

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

2016839399136 is a wasteful number, since it uses less digits than its factorization.

2016839399136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808632 (or 808624 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 2016839399136 in words is "two trillion, sixteen billion, eight hundred thirty-nine million, three hundred ninety-nine thousand, one hundred thirty-six".