161324211 has 8 divisors (see below), whose sum is σ = 215455744. Its totient is φ = 107371080.

The previous prime is 161324201. The next prime is 161324239. The reversal of 161324211 is 112423161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161324211 - 2⁶ = 161324147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161324201) 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, 42475 + ... + 46116.

It is an arithmetic number, because the mean of its divisors is an integer number (26931968).

Almost surely, 2^161324211 is an apocalyptic number.

161324211 is a deficient number, since it is larger than the sum of its proper divisors (54131533).

161324211 is an equidigital number, since it uses as much as digits as its factorization.

161324211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89201.

The product of its digits is 288, while the sum is 21.

The square root of 161324211 is about 12701.3468183496. The cubic root of 161324211 is about 544.3771027805.

Adding to 161324211 its reverse (112423161), we get a palindrome (273747372).

The spelling of 161324211 in words is "one hundred sixty-one million, three hundred twenty-four thousand, two hundred eleven".