161304223106 has 32 divisors (see below), whose sum is σ = 264521920320. Its totient is φ = 73319057856.

The previous prime is 161304223103. The next prime is 161304223127. The reversal of 161304223106 is 601322403161.

161304223106 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 (161304223103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9375560 + ... + 9392748.

It is an arithmetic number, because the mean of its divisors is an integer number (8266310010).

Almost surely, 2^161304223106 is an apocalyptic number.

161304223106 is a deficient number, since it is larger than the sum of its proper divisors (103217697214).

161304223106 is a wasteful number, since it uses less digits than its factorization.

161304223106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22658.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 161304223106 its reverse (601322403161), we get a palindrome (762626626267).

The spelling of 161304223106 in words is "one hundred sixty-one billion, three hundred four million, two hundred twenty-three thousand, one hundred six".