163351 has 2 divisors, whose sum is σ = 163352. Its totient is φ = 163350.

The previous prime is 163337. The next prime is 163363. The reversal of 163351 is 153361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163351 - 2⁷ = 163223 is a prime.

It is a super-3 number, since 3×163351³ = 13076353336597653, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81675 + 81676.

It is an arithmetic number, because the mean of its divisors is an integer number (81676).

2¹⁶³³⁵¹ is an apocalyptic number.

163351 is a deficient number, since it is larger than the sum of its proper divisors (1).

163351 is an equidigital number, since it uses as much as digits as its factorization.

163351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 19.

The square root of 163351 is about 404.1670446734. The cubic root of 163351 is about 54.6647373567.

The spelling of 163351 in words is "one hundred sixty-three thousand, three hundred fifty-one".