161932332 has 24 divisors (see below), whose sum is σ = 378109872. Its totient is φ = 53939200.

The previous prime is 161932321. The next prime is 161932349. The reversal of 161932332 is 233239161.

It is a self number, because there is not a number n which added to its sum of digits gives 161932332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16732 + ... + 24572.

It is an arithmetic number, because the mean of its divisors is an integer number (15754578).

Almost surely, 2^161932332 is an apocalyptic number.

161932332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161932332 is an abundant number, since it is smaller than the sum of its proper divisors (216177540).

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

161932332 is a wasteful number, since it uses less digits than its factorization.

161932332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569 (or 9567 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 161932332 is about 12725.2635336169. The cubic root of 161932332 is about 545.0602654789.

The spelling of 161932332 in words is "one hundred sixty-one million, nine hundred thirty-two thousand, three hundred thirty-two".