161384322 has 16 divisors (see below), whose sum is σ = 352111392. Its totient is φ = 48904320.

The previous prime is 161384303. The next prime is 161384339. The reversal of 161384322 is 223483161.

It is a self number, because there is not a number n which added to its sum of digits gives 161384322.

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, 1222543 + ... + 1222674.

It is an arithmetic number, because the mean of its divisors is an integer number (22006962).

Almost surely, 2^161384322 is an apocalyptic number.

161384322 is an abundant number, since it is smaller than the sum of its proper divisors (190727070).

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

161384322 is a wasteful number, since it uses less digits than its factorization.

161384322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445233.

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

The square root of 161384322 is about 12703.7129218194. The cubic root of 161384322 is about 544.4447078191. Note that the first 3 decimals are identical.

It can be divided in two parts, 161 and 384322, that added together give a palindrome (384483).

The spelling of 161384322 in words is "one hundred sixty-one million, three hundred eighty-four thousand, three hundred twenty-two".