220516330161 has 8 divisors (see below), whose sum is σ = 311317172064. Its totient is φ = 138363187520.

The previous prime is 220516330109. The next prime is 220516330163. The reversal of 220516330161 is 161033615022.

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

It is a cyclic number.

It is not a de Polignac number, because 220516330161 - 2⁷ = 220516330033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220516330163) 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, 2161924755 + ... + 2161924856.

It is an arithmetic number, because the mean of its divisors is an integer number (38914646508).

Almost surely, 2^220516330161 is an apocalyptic number.

It is an amenable number.

220516330161 is a deficient number, since it is larger than the sum of its proper divisors (90800841903).

220516330161 is a wasteful number, since it uses less digits than its factorization.

220516330161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323849631.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 220516330161 its reverse (161033615022), we get a palindrome (381549945183).

The spelling of 220516330161 in words is "two hundred twenty billion, five hundred sixteen million, three hundred thirty thousand, one hundred sixty-one".