163232928 has 48 divisors (see below), whose sum is σ = 476098560. Its totient is φ = 54410688.

The previous prime is 163232921. The next prime is 163232977. The reversal of 163232928 is 829232361.

163232928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 163232892 and 163232901.

It is not an unprimeable number, because it can be changed into a prime (163232921) 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, 93600 + ... + 95327.

It is an arithmetic number, because the mean of its divisors is an integer number (9918720).

Almost surely, 2^163232928 is an apocalyptic number.

163232928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163232928 is an abundant number, since it is smaller than the sum of its proper divisors (312865632).

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

163232928 is a wasteful number, since it uses less digits than its factorization.

163232928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188946 (or 188932 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 163232928 is about 12776.2642427276. The cubic root of 163232928 is about 546.5156341310.

The spelling of 163232928 in words is "one hundred sixty-three million, two hundred thirty-two thousand, nine hundred twenty-eight".