161324338 has 16 divisors (see below), whose sum is σ = 278216064. Its totient is φ = 68724000.

The previous prime is 161324333. The next prime is 161324357. The reversal of 161324338 is 833423161.

It is a super-2 number, since 2×161324338² = 52051084062276488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161324333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32163 + ... + 36838.

It is an arithmetic number, because the mean of its divisors is an integer number (17388504).

Almost surely, 2^161324338 is an apocalyptic number.

161324338 is a deficient number, since it is larger than the sum of its proper divisors (116891726).

161324338 is a wasteful number, since it uses less digits than its factorization.

161324338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69177.

The product of its digits is 10368, while the sum is 31.

The square root of 161324338 is about 12701.3518178184. The cubic root of 161324338 is about 544.3772456313.

Adding to 161324338 its reverse (833423161), we get a palindrome (994747499).

The spelling of 161324338 in words is "one hundred sixty-one million, three hundred twenty-four thousand, three hundred thirty-eight".