163461143 has 2 divisors, whose sum is σ = 163461144. Its totient is φ = 163461142.

The previous prime is 163461121. The next prime is 163461149. The reversal of 163461143 is 341164361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163461143 - 2¹⁰ = 163460119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163461149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81730571 + 81730572.

It is an arithmetic number, because the mean of its divisors is an integer number (81730572).

Almost surely, 2^163461143 is an apocalyptic number.

163461143 is a deficient number, since it is larger than the sum of its proper divisors (1).

163461143 is an equidigital number, since it uses as much as digits as its factorization.

163461143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 163461143 is about 12785.1923333206. The cubic root of 163461143 is about 546.7702089631.

The spelling of 163461143 in words is "one hundred sixty-three million, four hundred sixty-one thousand, one hundred forty-three".