80320161 has 8 divisors (see below), whose sum is σ = 107911584. Its totient is φ = 53137760.

The previous prime is 80320151. The next prime is 80320183. The reversal of 80320161 is 16102308.

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 80320161 - 2⁷ = 80320033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80320151) 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, 101796 + ... + 102581.

It is an arithmetic number, because the mean of its divisors is an integer number (13488948).

Almost surely, 2^80320161 is an apocalyptic number.

It is an amenable number.

80320161 is a deficient number, since it is larger than the sum of its proper divisors (27591423).

80320161 is a wasteful number, since it uses less digits than its factorization.

80320161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204511.

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

The square root of 80320161 is about 8962.1515831858. The cubic root of 80320161 is about 431.4609778851.

Adding to 80320161 its reverse (16102308), we get a palindrome (96422469).

The spelling of 80320161 in words is "eighty million, three hundred twenty thousand, one hundred sixty-one".