163383901 has 2 divisors, whose sum is σ = 163383902. Its totient is φ = 163383900.

The previous prime is 163383887. The next prime is 163383937. The reversal of 163383901 is 109383361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128278276 + 35105625 = 11326^2 + 5925^2 .

It is a cyclic number.

It is not a de Polignac number, because 163383901 - 2²⁷ = 29166173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163383001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81691950 + 81691951.

It is an arithmetic number, because the mean of its divisors is an integer number (81691951).

Almost surely, 2^163383901 is an apocalyptic number.

It is an amenable number.

163383901 is a deficient number, since it is larger than the sum of its proper divisors (1).

163383901 is an equidigital number, since it uses as much as digits as its factorization.

163383901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 163383901 is about 12782.1712161902. The cubic root of 163383901 is about 546.6840717160.

The spelling of 163383901 in words is "one hundred sixty-three million, three hundred eighty-three thousand, nine hundred one".