163111097 has 2 divisors, whose sum is σ = 163111098. Its totient is φ = 163111096.

The previous prime is 163111021. The next prime is 163111099. The reversal of 163111097 is 790111361.

163111097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148449856 + 14661241 = 12184^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 163111097 - 2⁸ = 163110841 is a prime.

Together with 163111099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163111099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81555548 + 81555549.

It is an arithmetic number, because the mean of its divisors is an integer number (81555549).

Almost surely, 2^163111097 is an apocalyptic number.

It is an amenable number.

163111097 is a deficient number, since it is larger than the sum of its proper divisors (1).

163111097 is an equidigital number, since it uses as much as digits as its factorization.

163111097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 163111097 is about 12771.4954879998. The cubic root of 163111097 is about 546.3796339608.

It can be divided in two parts, 16 and 3111097, that added together give a palindrome (3111113).

The spelling of 163111097 in words is "one hundred sixty-three million, one hundred eleven thousand, ninety-seven".