2666113 has 4 divisors (see below), whose sum is σ = 2669380. Its totient is φ = 2662848.

The previous prime is 2666101. The next prime is 2666117. The reversal of 2666113 is 3116662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 753424 = 1383^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666113 - 2⁹ = 2665601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (667345).

2^2666113 is an apocalyptic number.

It is an amenable number.

2666113 is a deficient number, since it is larger than the sum of its proper divisors (3267).

2666113 is a wasteful number, since it uses less digits than its factorization.

2666113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266.

The product of its digits is 1296, while the sum is 25.

The square root of 2666113 is about 1632.8236279525. The cubic root of 2666113 is about 138.6626569302.

The spelling of 2666113 in words is "two million, six hundred sixty-six thousand, one hundred thirteen".