161204332 has 12 divisors (see below), whose sum is σ = 294373296. Its totient is φ = 77097680.

The previous prime is 161204311. The next prime is 161204339. The reversal of 161204332 is 233402161.

161204332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161204339) 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, 876019 + ... + 876202.

It is an arithmetic number, because the mean of its divisors is an integer number (24531108).

Almost surely, 2^161204332 is an apocalyptic number.

It is an amenable number.

161204332 is a deficient number, since it is larger than the sum of its proper divisors (133168964).

161204332 is a wasteful number, since it uses less digits than its factorization.

161204332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752248 (or 1752246 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 161204332 is about 12696.6267961219. The cubic root of 161204332 is about 544.2422283072.

Adding to 161204332 its reverse (233402161), we get a palindrome (394606493).

The spelling of 161204332 in words is "one hundred sixty-one million, two hundred four thousand, three hundred thirty-two".