163668119 has 2 divisors, whose sum is σ = 163668120. Its totient is φ = 163668118.

The previous prime is 163668103. The next prime is 163668139. The reversal of 163668119 is 911866361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163668119 - 2⁴ = 163668103 is a prime.

It is a super-2 number, since 2×163668119² = 53574506353996322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163668139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81834059 + 81834060.

It is an arithmetic number, because the mean of its divisors is an integer number (81834060).

Almost surely, 2^163668119 is an apocalyptic number.

163668119 is a deficient number, since it is larger than the sum of its proper divisors (1).

163668119 is an equidigital number, since it uses as much as digits as its factorization.

163668119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 163668119 is about 12793.2841366086. The cubic root of 163668119 is about 547.0008867812. Note that the first 3 decimals are identical.

The spelling of 163668119 in words is "one hundred sixty-three million, six hundred sixty-eight thousand, one hundred nineteen".