867816163 has 2 divisors, whose sum is σ = 867816164. Its totient is φ = 867816162.

The previous prime is 867816161. The next prime is 867816217. The reversal of 867816163 is 361618768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867816163 - 2¹ = 867816161 is a prime.

Together with 867816161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (867816161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433908081 + 433908082.

It is an arithmetic number, because the mean of its divisors is an integer number (433908082).

Almost surely, 2^867816163 is an apocalyptic number.

867816163 is a deficient number, since it is larger than the sum of its proper divisors (1).

867816163 is an equidigital number, since it uses as much as digits as its factorization.

867816163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 867816163 is about 29458.7196429173. The cubic root of 867816163 is about 953.8408358569.

The spelling of 867816163 in words is "eight hundred sixty-seven million, eight hundred sixteen thousand, one hundred sixty-three".