2161060306 has 8 divisors (see below), whose sum is σ = 3241864944. Its totient is φ = 1080438660.

The previous prime is 2161060283. The next prime is 2161060333. The reversal of 2161060306 is 6030601612.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10920 + ... + 66643.

It is an arithmetic number, because the mean of its divisors is an integer number (405233118).

Almost surely, 2^2161060306 is an apocalyptic number.

2161060306 is a deficient number, since it is larger than the sum of its proper divisors (1080804638).

2161060306 is a wasteful number, since it uses less digits than its factorization.

2161060306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91496.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2161060306 is about 46487.2058312822. The cubic root of 2161060306 is about 1292.8722942364.

Adding to 2161060306 its reverse (6030601612), we get a palindrome (8191661918).

The spelling of 2161060306 in words is "two billion, one hundred sixty-one million, sixty thousand, three hundred six".