163376445648 has 40 divisors (see below), whose sum is σ = 454521651808. Its totient is φ = 50269675392.

The previous prime is 163376445647. The next prime is 163376445653. The reversal of 163376445648 is 846544673361.

It is a happy number.

163376445648 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163376445647) 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 7 ways as a sum of consecutive naturals, for example, 130909990 + ... + 130911237.

Almost surely, 2^163376445648 is an apocalyptic number.

It is an amenable number.

163376445648 is an abundant number, since it is smaller than the sum of its proper divisors (291145206160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163376445648 is a wasteful number, since it uses less digits than its factorization.

163376445648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261821251 (or 261821245 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 163376445648 in words is "one hundred sixty-three billion, three hundred seventy-six million, four hundred forty-five thousand, six hundred forty-eight".