2166014 has 4 divisors (see below), whose sum is σ = 3249024. Its totient is φ = 1083006.

The previous prime is 2166007. The next prime is 2166023. The reversal of 2166014 is 4106612.

It is a happy number.

2166014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541502 + ... + 541505.

It is an arithmetic number, because the mean of its divisors is an integer number (812256).

2^2166014 is an apocalyptic number.

2166014 is a deficient number, since it is larger than the sum of its proper divisors (1083010).

2166014 is a wasteful number, since it uses less digits than its factorization.

2166014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083009.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2166014 is about 1471.7384278465. The cubic root of 2166014 is about 129.3859403259.

The spelling of 2166014 in words is "two million, one hundred sixty-six thousand, fourteen".