2016566131 has 2 divisors, whose sum is σ = 2016566132. Its totient is φ = 2016566130.

The previous prime is 2016566117. The next prime is 2016566143. The reversal of 2016566131 is 1316656102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2016566131 is a prime.

It is a super-2 number, since 2×2016566131² = 8133077921392618322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2016566093 and 2016566102.

It is not a weakly prime, because it can be changed into another prime (2016566171) 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 as a sum of consecutive naturals, namely, 1008283065 + 1008283066.

It is an arithmetic number, because the mean of its divisors is an integer number (1008283066).

Almost surely, 2^2016566131 is an apocalyptic number.

2016566131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016566131 is an equidigital number, since it uses as much as digits as its factorization.

2016566131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2016566131 is about 44906.1925685089. The cubic root of 2016566131 is about 1263.3901586947.

The spelling of 2016566131 in words is "two billion, sixteen million, five hundred sixty-six thousand, one hundred thirty-one".