2116606 has 4 divisors (see below), whose sum is σ = 3174912. Its totient is φ = 1058302.

The previous prime is 2116601. The next prime is 2116607. The reversal of 2116606 is 6066112.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529150 + ... + 529153.

It is an arithmetic number, because the mean of its divisors is an integer number (793728).

2^2116606 is an apocalyptic number.

2116606 is a deficient number, since it is larger than the sum of its proper divisors (1058306).

2116606 is a wasteful number, since it uses less digits than its factorization.

2116606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058305.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2116606 is about 1454.8560066206. The cubic root of 2116606 is about 128.3945750693.

The spelling of 2116606 in words is "two million, one hundred sixteen thousand, six hundred six".