163117711 has 2 divisors, whose sum is σ = 163117712. Its totient is φ = 163117710.

The previous prime is 163117709. The next prime is 163117723. The reversal of 163117711 is 117711361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163117711 - 2¹ = 163117709 is a prime.

Together with 163117709, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 163117711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163117741) 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, 81558855 + 81558856.

It is an arithmetic number, because the mean of its divisors is an integer number (81558856).

Almost surely, 2^163117711 is an apocalyptic number.

163117711 is a deficient number, since it is larger than the sum of its proper divisors (1).

163117711 is an equidigital number, since it uses as much as digits as its factorization.

163117711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 28.

The square root of 163117711 is about 12771.7544213785. The cubic root of 163117711 is about 546.3870189193.

The spelling of 163117711 in words is "one hundred sixty-three million, one hundred seventeen thousand, seven hundred eleven".