16115116163 has 2 divisors, whose sum is σ = 16115116164. Its totient is φ = 16115116162.

The previous prime is 16115116141. The next prime is 16115116181. The reversal of 16115116163 is 36161151161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16115116163 - 2¹⁰ = 16115115139 is a prime.

It is not a weakly prime, because it can be changed into another prime (16115116363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057558081 + 8057558082.

It is an arithmetic number, because the mean of its divisors is an integer number (8057558082).

Almost surely, 2^16115116163 is an apocalyptic number.

16115116163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115116163 is an equidigital number, since it uses as much as digits as its factorization.

16115116163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The spelling of 16115116163 in words is "sixteen billion, one hundred fifteen million, one hundred sixteen thousand, one hundred sixty-three".