163729808147 has 4 divisors (see below), whose sum is σ = 163819623360. Its totient is φ = 163639992936.

The previous prime is 163729808141. The next prime is 163729808189. The reversal of 163729808147 is 741808927361.

163729808147 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.

It is a cyclic number.

It is not a de Polignac number, because 163729808147 - 2⁶ = 163729808083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163729808092 and 163729808101.

It is not an unprimeable number, because it can be changed into a prime (163729808141) 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, 44904872 + ... + 44908517.

It is an arithmetic number, because the mean of its divisors is an integer number (40954905840).

Almost surely, 2^163729808147 is an apocalyptic number.

163729808147 is a deficient number, since it is larger than the sum of its proper divisors (89815213).

163729808147 is an equidigital number, since it uses as much as digits as its factorization.

163729808147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89815212.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 163729808147 in words is "one hundred sixty-three billion, seven hundred twenty-nine million, eight hundred eight thousand, one hundred forty-seven".