2165162 has 4 divisors (see below), whose sum is σ = 3247746. Its totient is φ = 1082580.

The previous prime is 2165159. The next prime is 2165201. The reversal of 2165162 is 2615612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2128681 + 36481 = 1459^2 + 191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541289 + ... + 541292.

2^2165162 is an apocalyptic number.

2165162 is a deficient number, since it is larger than the sum of its proper divisors (1082584).

2165162 is a wasteful number, since it uses less digits than its factorization.

2165162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082583.

The product of its digits is 720, while the sum is 23.

The square root of 2165162 is about 1471.4489457674. The cubic root of 2165162 is about 129.3689734798.

The spelling of 2165162 in words is "two million, one hundred sixty-five thousand, one hundred sixty-two".