2665271006 has 4 divisors (see below), whose sum is σ = 3997906512. Its totient is φ = 1332635502.

The previous prime is 2665271003. The next prime is 2665271023. The reversal of 2665271006 is 6001725662.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665271003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666317750 + ... + 666317753.

It is an arithmetic number, because the mean of its divisors is an integer number (999476628).

Almost surely, 2^2665271006 is an apocalyptic number.

2665271006 is a deficient number, since it is larger than the sum of its proper divisors (1332635506).

2665271006 is a wasteful number, since it uses less digits than its factorization.

2665271006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332635505.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2665271006 is about 51626.2627545322. The cubic root of 2665271006 is about 1386.4805822189.

Adding to 2665271006 its reverse (6001725662), we get a palindrome (8666996668).

The spelling of 2665271006 in words is "two billion, six hundred sixty-five million, two hundred seventy-one thousand, six".