163982783 has 2 divisors, whose sum is σ = 163982784. Its totient is φ = 163982782.

The previous prime is 163982759. The next prime is 163982789. The reversal of 163982783 is 387289361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163982783 - 2⁶ = 163982719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163982789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81991391 + 81991392.

It is an arithmetic number, because the mean of its divisors is an integer number (81991392).

Almost surely, 2^163982783 is an apocalyptic number.

163982783 is a deficient number, since it is larger than the sum of its proper divisors (1).

163982783 is an equidigital number, since it uses as much as digits as its factorization.

163982783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 163982783 is about 12805.5762463077. The cubic root of 163982783 is about 547.3512121843.

The spelling of 163982783 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, seven hundred eighty-three".