163426755859 has 4 divisors (see below), whose sum is σ = 165665478616. Its totient is φ = 161188033104.

The previous prime is 163426755853. The next prime is 163426755883. The reversal of 163426755859 is 958557624361.

163426755859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958557624361 = 113957 ⋅8411573.

It is not a de Polignac number, because 163426755859 - 2¹³ = 163426747667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163426755797 and 163426755806.

It is not an unprimeable number, because it can be changed into a prime (163426755853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119361269 + ... + 1119361414.

It is an arithmetic number, because the mean of its divisors is an integer number (41416369654).

Almost surely, 2^163426755859 is an apocalyptic number.

163426755859 is a deficient number, since it is larger than the sum of its proper divisors (2238722757).

163426755859 is an equidigital number, since it uses as much as digits as its factorization.

163426755859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238722756.

The product of its digits is 54432000, while the sum is 61.

The spelling of 163426755859 in words is "one hundred sixty-three billion, four hundred twenty-six million, seven hundred fifty-five thousand, eight hundred fifty-nine".