163859147 has 2 divisors, whose sum is σ = 163859148. Its totient is φ = 163859146.

The previous prime is 163859131. The next prime is 163859159. The reversal of 163859147 is 741958361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163859147 - 2⁴ = 163859131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163859098 and 163859107.

It is not a weakly prime, because it can be changed into another prime (163859747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81929573 + 81929574.

It is an arithmetic number, because the mean of its divisors is an integer number (81929574).

Almost surely, 2^163859147 is an apocalyptic number.

163859147 is a deficient number, since it is larger than the sum of its proper divisors (1).

163859147 is an equidigital number, since it uses as much as digits as its factorization.

163859147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 163859147 is about 12800.7479078373. The cubic root of 163859147 is about 547.2136178025.

The spelling of 163859147 in words is "one hundred sixty-three million, eight hundred fifty-nine thousand, one hundred forty-seven".