163533648 has 40 divisors (see below), whose sum is σ = 422928288. Its totient is φ = 54451072.

The previous prime is 163533647. The next prime is 163533653. The reversal of 163533648 is 846335361.

163533648 is digitally balanced in base 3, because in such base 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 (163533641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71986 + ... + 74222.

Almost surely, 2^163533648 is an apocalyptic number.

It is an amenable number.

163533648 is an abundant number, since it is smaller than the sum of its proper divisors (259394640).

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

163533648 is a wasteful number, since it uses less digits than its factorization.

163533648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3765 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 163533648 is about 12788.0275257758. The cubic root of 163533648 is about 546.8510390068.

The spelling of 163533648 in words is "one hundred sixty-three million, five hundred thirty-three thousand, six hundred forty-eight".