163489332 has 12 divisors (see below), whose sum is σ = 381475136. Its totient is φ = 54496440.

The previous prime is 163489321. The next prime is 163489349. The reversal of 163489332 is 233984361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812044 + ... + 6812067.

Almost surely, 2^163489332 is an apocalyptic number.

163489332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163489332 is an abundant number, since it is smaller than the sum of its proper divisors (217985804).

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

163489332 is a wasteful number, since it uses less digits than its factorization.

163489332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624118 (or 13624116 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 163489332 is about 12786.2946939291. The cubic root of 163489332 is about 546.8016374711.

The spelling of 163489332 in words is "one hundred sixty-three million, four hundred eighty-nine thousand, three hundred thirty-two".