2016505187 has 2 divisors, whose sum is σ = 2016505188. Its totient is φ = 2016505186.

The previous prime is 2016505181. The next prime is 2016505223. The reversal of 2016505187 is 7815056102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2016505187 - 2⁴ = 2016505171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2016505181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008252593 + 1008252594.

It is an arithmetic number, because the mean of its divisors is an integer number (1008252594).

Almost surely, 2^2016505187 is an apocalyptic number.

2016505187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016505187 is an equidigital number, since it uses as much as digits as its factorization.

2016505187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 2016505187 is about 44905.5139932726. The cubic root of 2016505187 is about 1263.3774313122.

The spelling of 2016505187 in words is "two billion, sixteen million, five hundred five thousand, one hundred eighty-seven".