163414813 has 2 divisors, whose sum is σ = 163414814. Its totient is φ = 163414812.

The previous prime is 163414781. The next prime is 163414841. The reversal of 163414813 is 318414361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109788484 + 53626329 = 10478^2 + 7323^2 .

It is a cyclic number.

It is not a de Polignac number, because 163414813 - 2⁵ = 163414781 is a prime.

It is a super-2 number, since 2×163414813² = 53408802215649938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163414843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81707406 + 81707407.

It is an arithmetic number, because the mean of its divisors is an integer number (81707407).

Almost surely, 2^163414813 is an apocalyptic number.

It is an amenable number.

163414813 is a deficient number, since it is larger than the sum of its proper divisors (1).

163414813 is an equidigital number, since it uses as much as digits as its factorization.

163414813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 163414813 is about 12783.3803432425. The cubic root of 163414813 is about 546.7185468229.

The spelling of 163414813 in words is "one hundred sixty-three million, four hundred fourteen thousand, eight hundred thirteen".