163273488823 has 16 divisors (see below), whose sum is σ = 173100780000. Its totient is φ = 153570563712.

The previous prime is 163273488811. The next prime is 163273488827. The reversal of 163273488823 is 328884372361.

It is a happy number.

It is not a de Polignac number, because 163273488823 - 2⁹ = 163273488311 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 (163273488827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660433 + ... + 6684901.

It is an arithmetic number, because the mean of its divisors is an integer number (10818798750).

Almost surely, 2^163273488823 is an apocalyptic number.

163273488823 is a deficient number, since it is larger than the sum of its proper divisors (9827291177).

163273488823 is a wasteful number, since it uses less digits than its factorization.

163273488823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994.

The product of its digits is 9289728, while the sum is 55.

The spelling of 163273488823 in words is "one hundred sixty-three billion, two hundred seventy-three million, four hundred eighty-eight thousand, eight hundred twenty-three".