163004117 has 2 divisors, whose sum is σ = 163004118. Its totient is φ = 163004116.

The previous prime is 163004113. The next prime is 163004137. The reversal of 163004117 is 711400361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 4218916 = 12601^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 163004117 - 2² = 163004113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163004092 and 163004101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163004111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81502058 + 81502059.

It is an arithmetic number, because the mean of its divisors is an integer number (81502059).

Almost surely, 2^163004117 is an apocalyptic number.

It is an amenable number.

163004117 is a deficient number, since it is larger than the sum of its proper divisors (1).

163004117 is an equidigital number, since it uses as much as digits as its factorization.

163004117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 163004117 is about 12767.3065679492. The cubic root of 163004117 is about 546.2601561367.

Adding to 163004117 its reverse (711400361), we get a palindrome (874404478).

The spelling of 163004117 in words is "one hundred sixty-three million, four thousand, one hundred seventeen".