2665106 has 4 divisors (see below), whose sum is σ = 3997662. Its totient is φ = 1332552.

The previous prime is 2665093. The next prime is 2665109. The reversal of 2665106 is 6015662.

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., 2512225 + 152881 = 1585^2 + 391^2 .

It is not an unprimeable number, because it can be changed into a prime (2665109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666275 + ... + 666278.

2^2665106 is an apocalyptic number.

2665106 is a deficient number, since it is larger than the sum of its proper divisors (1332556).

2665106 is a wasteful number, since it uses less digits than its factorization.

2665106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332555.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2665106 is about 1632.5152372949. The cubic root of 2665106 is about 138.6451969452.

The spelling of 2665106 in words is "two million, six hundred sixty-five thousand, one hundred six".