2161424036 has 12 divisors (see below), whose sum is σ = 3904508160. Its totient is φ = 1045850280.

The previous prime is 2161423987. The next prime is 2161424051. The reversal of 2161424036 is 6304241612.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8715296 + ... + 8715543.

It is an arithmetic number, because the mean of its divisors is an integer number (325375680).

Almost surely, 2^2161424036 is an apocalyptic number.

It is an amenable number.

2161424036 is a deficient number, since it is larger than the sum of its proper divisors (1743084124).

2161424036 is a wasteful number, since it uses less digits than its factorization.

2161424036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430874 (or 17430872 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2161424036 is about 46491.1178183532. The cubic root of 2161424036 is about 1292.9448249994.

Adding to 2161424036 its reverse (6304241612), we get a palindrome (8465665648).

The spelling of 2161424036 in words is "two billion, one hundred sixty-one million, four hundred twenty-four thousand, thirty-six".