163331450143 has 4 divisors (see below), whose sum is σ = 163530393048. Its totient is φ = 163132507240.

The previous prime is 163331450141. The next prime is 163331450207. The reversal of 163331450143 is 341054133361.

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 163331450143 - 2¹ = 163331450141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163331450099 and 163331450108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163331450141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99470221 + ... + 99471862.

It is an arithmetic number, because the mean of its divisors is an integer number (40882598262).

Almost surely, 2^163331450143 is an apocalyptic number.

163331450143 is a deficient number, since it is larger than the sum of its proper divisors (198942905).

163331450143 is an equidigital number, since it uses as much as digits as its factorization.

163331450143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198942904.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 163331450143 in words is "one hundred sixty-three billion, three hundred thirty-one million, four hundred fifty thousand, one hundred forty-three".