2160606161 has 8 divisors (see below), whose sum is σ = 2469709440. Its totient is φ = 1851614208.

The previous prime is 2160606043. The next prime is 2160606197. The reversal of 2160606161 is 1616060612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2160606161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2160606961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19025 + ... + 68433.

It is an arithmetic number, because the mean of its divisors is an integer number (308713680).

Almost surely, 2^2160606161 is an apocalyptic number.

It is an amenable number.

2160606161 is a deficient number, since it is larger than the sum of its proper divisors (309103279).

2160606161 is an equidigital number, since it uses as much as digits as its factorization.

2160606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55663.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2160606161 is about 46482.3209510885. The cubic root of 2160606161 is about 1292.7817225510.

Adding to 2160606161 its reverse (1616060612), we get a palindrome (3776666773).

The spelling of 2160606161 in words is "two billion, one hundred sixty million, six hundred six thousand, one hundred sixty-one".