161432382 has 32 divisors (see below), whose sum is σ = 330739200. Its totient is φ = 52509600.

The previous prime is 161432351. The next prime is 161432389. The reversal of 161432382 is 283234161.

161432382 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 (161432389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62007 + ... + 64557.

It is an arithmetic number, because the mean of its divisors is an integer number (10335600).

Almost surely, 2^161432382 is an apocalyptic number.

161432382 is an abundant number, since it is smaller than the sum of its proper divisors (169306818).

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

161432382 is a wasteful number, since it uses less digits than its factorization.

161432382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its digits is 6912, while the sum is 30.

The square root of 161432382 is about 12705.6043539849. The cubic root of 161432382 is about 544.4987473842.

The spelling of 161432382 in words is "one hundred sixty-one million, four hundred thirty-two thousand, three hundred eighty-two".