165163711 has 2 divisors, whose sum is σ = 165163712. Its totient is φ = 165163710.

The previous prime is 165163709. The next prime is 165163723. The reversal of 165163711 is 117361561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165163711 - 2¹ = 165163709 is a prime.

Together with 165163709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165163811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82581855 + 82581856.

It is an arithmetic number, because the mean of its divisors is an integer number (82581856).

Almost surely, 2^165163711 is an apocalyptic number.

165163711 is a deficient number, since it is larger than the sum of its proper divisors (1).

165163711 is an equidigital number, since it uses as much as digits as its factorization.

165163711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 165163711 is about 12851.6034408162. The cubic root of 165163711 is about 548.6619939018.

The spelling of 165163711 in words is "one hundred sixty-five million, one hundred sixty-three thousand, seven hundred eleven".