2663231206 has 4 divisors (see below), whose sum is σ = 3994846812. Its totient is φ = 1331615602.

The previous prime is 2663231201. The next prime is 2663231261. The reversal of 2663231206 is 6021323662.

It is a happy number.

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

It is a super-2 number, since 2×2663231206² = 14185600913224428872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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 (2663231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665807800 + ... + 665807803.

It is an arithmetic number, because the mean of its divisors is an integer number (998711703).

Almost surely, 2^2663231206 is an apocalyptic number.

2663231206 is a deficient number, since it is larger than the sum of its proper divisors (1331615606).

2663231206 is a wasteful number, since it uses less digits than its factorization.

2663231206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331615605.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2663231206 is about 51606.5035242652. The cubic root of 2663231206 is about 1386.1267889429.

Adding to 2663231206 its reverse (6021323662), we get a palindrome (8684554868).

The spelling of 2663231206 in words is "two billion, six hundred sixty-three million, two hundred thirty-one thousand, two hundred six".