163453727 has 2 divisors, whose sum is σ = 163453728. Its totient is φ = 163453726.

The previous prime is 163453723. The next prime is 163453729. The reversal of 163453727 is 727354361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163453727 - 2² = 163453723 is a prime.

Together with 163453729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163453721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81726863 + 81726864.

It is an arithmetic number, because the mean of its divisors is an integer number (81726864).

Almost surely, 2^163453727 is an apocalyptic number.

163453727 is a deficient number, since it is larger than the sum of its proper divisors (1).

163453727 is an equidigital number, since it uses as much as digits as its factorization.

163453727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 163453727 is about 12784.9023070182. The cubic root of 163453727 is about 546.7619401086.

The spelling of 163453727 in words is "one hundred sixty-three million, four hundred fifty-three thousand, seven hundred twenty-seven".