2161416 has 16 divisors (see below), whose sum is σ = 5403600. Its totient is φ = 720464.

The previous prime is 2161409. The next prime is 2161417. The reversal of 2161416 is 6141612.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2161392 and 2161401.

It is not an unprimeable number, because it can be changed into a prime (2161417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45006 + ... + 45053.

It is an arithmetic number, because the mean of its divisors is an integer number (337725).

2^2161416 is an apocalyptic number.

It is an amenable number.

2161416 is an abundant number, since it is smaller than the sum of its proper divisors (3242184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161416 is a wasteful number, since it uses less digits than its factorization.

2161416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90068 (or 90064 counting only the distinct ones).

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

The square root of 2161416 is about 1470.1754997278. The cubic root of 2161416 is about 129.2943222643.

The spelling of 2161416 in words is "two million, one hundred sixty-one thousand, four hundred sixteen".