2016918794592 has 1296 divisors, whose sum is σ = 7143096935520. Its totient is φ = 556046954496.

The previous prime is 2016918794581. The next prime is 2016918794617. The reversal of 2016918794592 is 2954978196102.

2016918794592 is a `hidden beast` number, since 2 + 0 + 16 + 91 + 87 + 9 + 459 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a super-2 number, since 2×2016918794592² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 22662008884 + ... + 22662008972.

It is an arithmetic number, because the mean of its divisors is an integer number (5511648870).

Almost surely, 2^{2016918794592} 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 2016918794592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571548467760).

2016918794592 is an abundant number, since it is smaller than the sum of its proper divisors (5126178140928).

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

2016918794592 is an equidigital number, since it uses as much as digits as its factorization.

2016918794592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 2016918794592 in words is "two trillion, sixteen billion, nine hundred eighteen million, seven hundred ninety-four thousand, five hundred ninety-two".