2016918340 has 12 divisors (see below), whose sum is σ = 4235528556. Its totient is φ = 806767328.

The previous prime is 2016918331. The next prime is 2016918347. The reversal of 2016918340 is 438196102.

It can be written as a sum of positive squares in 2 ways, for example, as 1430503684 + 586414656 = 37822^2 + 24216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2016918296 and 2016918305.

It is not an unprimeable number, because it can be changed into a prime (2016918347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50422939 + ... + 50422978.

It is an arithmetic number, because the mean of its divisors is an integer number (352960713).

Almost surely, 2^2016918340 is an apocalyptic number.

2016918340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016918340 is an abundant number, since it is smaller than the sum of its proper divisors (2218610216).

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

2016918340 is a wasteful number, since it uses less digits than its factorization.

2016918340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100845926 (or 100845924 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2016918340 is about 44910.1140056447. The cubic root of 2016918340 is about 1263.4637080606.

The spelling of 2016918340 in words is "two billion, sixteen million, nine hundred eighteen thousand, three hundred forty".