2162118 has 16 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 617736.

The previous prime is 2162113. The next prime is 2162119. The reversal of 2162118 is 8112612.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2162094 and 2162103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162113) 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, 25698 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

2^2162118 is an apocalyptic number.

2162118 is an abundant number, since it is smaller than the sum of its proper divisors (2779962).

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

2162118 is a wasteful number, since it uses less digits than its factorization.

2162118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51491.

The product of its digits is 192, while the sum is 21.

The square root of 2162118 is about 1470.4142273523. The cubic root of 2162118 is about 129.3083184577.

The spelling of 2162118 in words is "two million, one hundred sixty-two thousand, one hundred eighteen".