163001330545423 has 4 divisors (see below), whose sum is σ = 163028144391040. Its totient is φ = 162974516699808.

The previous prime is 163001330545399. The next prime is 163001330545477. The reversal of 163001330545423 is 324545033100361.

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 163001330545423 - 2³³ = 162992740610831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163001330545723) 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, 13406913690 + ... + 13406925847.

It is an arithmetic number, because the mean of its divisors is an integer number (40757036097760).

Almost surely, 2^{163001330545423} is an apocalyptic number.

163001330545423 is a deficient number, since it is larger than the sum of its proper divisors (26813845617).

163001330545423 is an equidigital number, since it uses as much as digits as its factorization.

163001330545423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813845616.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 163001330545423 its reverse (324545033100361), we get a palindrome (487546363645784).

The spelling of 163001330545423 in words is "one hundred sixty-three trillion, one billion, three hundred thirty million, five hundred forty-five thousand, four hundred twenty-three".