163054109 has 2 divisors, whose sum is σ = 163054110. Its totient is φ = 163054108.

The previous prime is 163054091. The next prime is 163054117. The reversal of 163054109 is 901450361.

Together with previous prime (163054091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120934009 + 42120100 = 10997^2 + 6490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163054109 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163054169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81527054 + 81527055.

It is an arithmetic number, because the mean of its divisors is an integer number (81527055).

Almost surely, 2^163054109 is an apocalyptic number.

It is an amenable number.

163054109 is a deficient number, since it is larger than the sum of its proper divisors (1).

163054109 is an equidigital number, since it uses as much as digits as its factorization.

163054109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 163054109 is about 12769.2642309571. The cubic root of 163054109 is about 546.3159949031.

The spelling of 163054109 in words is "one hundred sixty-three million, fifty-four thousand, one hundred nine".