2016520873 has 2 divisors, whose sum is σ = 2016520874. Its totient is φ = 2016520872.

The previous prime is 2016520861. The next prime is 2016520897. The reversal of 2016520873 is 3780256102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1492431424 + 524089449 = 38632^2 + 22893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2016520873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2016520273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008260436 + 1008260437.

It is an arithmetic number, because the mean of its divisors is an integer number (1008260437).

Almost surely, 2^2016520873 is an apocalyptic number.

It is an amenable number.

2016520873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016520873 is an equidigital number, since it uses as much as digits as its factorization.

2016520873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2016520873 is about 44905.6886485443. The cubic root of 2016520873 is about 1263.3807071591.

Adding to 2016520873 its reverse (3780256102), we get a palindrome (5796776975).

The spelling of 2016520873 in words is "two billion, sixteen million, five hundred twenty thousand, eight hundred seventy-three".