163464317 has 2 divisors, whose sum is σ = 163464318. Its totient is φ = 163464316.

The previous prime is 163464311. The next prime is 163464319. The reversal of 163464317 is 713464361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148011556 + 15452761 = 12166^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 163464317 - 2¹² = 163460221 is a prime.

Together with 163464319, 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 (163464311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81732158 + 81732159.

It is an arithmetic number, because the mean of its divisors is an integer number (81732159).

Almost surely, 2^163464317 is an apocalyptic number.

It is an amenable number.

163464317 is a deficient number, since it is larger than the sum of its proper divisors (1).

163464317 is an equidigital number, since it uses as much as digits as its factorization.

163464317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 163464317 is about 12785.3164606904. The cubic root of 163464317 is about 546.7737479028.

The spelling of 163464317 in words is "one hundred sixty-three million, four hundred sixty-four thousand, three hundred seventeen".