2180315161 has 8 divisors (see below), whose sum is σ = 2309852160. Its totient is φ = 2050920768.

The previous prime is 2180315143. The next prime is 2180315167. The reversal of 2180315161 is 1615130812.

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 2180315161 - 2⁹ = 2180314649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180315167) 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, 3321 + ... + 66118.

It is an arithmetic number, because the mean of its divisors is an integer number (288731520).

Almost surely, 2^2180315161 is an apocalyptic number.

It is an amenable number.

2180315161 is a deficient number, since it is larger than the sum of its proper divisors (129536999).

2180315161 is a wasteful number, since it uses less digits than its factorization.

2180315161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71303.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 2180315161 is about 46693.8450012419. The cubic root of 2180315161 is about 1296.7007386437.

Adding to 2180315161 its reverse (1615130812), we get a palindrome (3795445973).

The spelling of 2180315161 in words is "two billion, one hundred eighty million, three hundred fifteen thousand, one hundred sixty-one".