163188332 has 12 divisors (see below), whose sum is σ = 285673080. Its totient is φ = 81567456.

The previous prime is 163188331. The next prime is 163188373. The reversal of 163188332 is 233881361.

163188332 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

163188332 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 163188292 and 163188301.

It is not an unprimeable number, because it can be changed into a prime (163188331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14603 + ... + 23229.

It is an arithmetic number, because the mean of its divisors is an integer number (23806090).

Almost surely, 2^163188332 is an apocalyptic number.

It is an amenable number.

163188332 is a deficient number, since it is larger than the sum of its proper divisors (122484748).

163188332 is a wasteful number, since it uses less digits than its factorization.

163188332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360 (or 13358 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 163188332 is about 12774.5188559100. The cubic root of 163188332 is about 546.4658593881.

The spelling of 163188332 in words is "one hundred sixty-three million, one hundred eighty-eight thousand, three hundred thirty-two".