2160194 has 4 divisors (see below), whose sum is σ = 3240294. Its totient is φ = 1080096.

The previous prime is 2160161. The next prime is 2160203. The reversal of 2160194 is 4910612.

It is a happy number.

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., 1129969 + 1030225 = 1063^2 + 1015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540047 + ... + 540050.

2^2160194 is an apocalyptic number.

2160194 is a deficient number, since it is larger than the sum of its proper divisors (1080100).

2160194 is a wasteful number, since it uses less digits than its factorization.

2160194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080099.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2160194 is about 1469.7598443283. The cubic root of 2160194 is about 129.2699512891.

The spelling of 2160194 in words is "two million, one hundred sixty thousand, one hundred ninety-four".