163232194645128 has 96 divisors (see below), whose sum is σ = 474722539884000. Its totient is φ = 46636132370688.

The previous prime is 163232194645127. The next prime is 163232194645181. The reversal of 163232194645128 is 821546491232361.

It is not an unprimeable number, because it can be changed into a prime (163232194645127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31268751 + ... + 36113697.

It is an arithmetic number, because the mean of its divisors is an integer number (4945026457125).

Almost surely, 2^{163232194645128} is an apocalyptic number.

It is an amenable number.

163232194645128 is an abundant number, since it is smaller than the sum of its proper divisors (311490345238872).

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

163232194645128 is a wasteful number, since it uses less digits than its factorization.

163232194645128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873619 (or 4873608 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 163232194645128 in words is "one hundred sixty-three trillion, two hundred thirty-two billion, one hundred ninety-four million, six hundred forty-five thousand, one hundred twenty-eight".