6631662233 has 4 divisors (see below), whose sum is σ = 7579042560. Its totient is φ = 5684281908.

The previous prime is 6631662223. The next prime is 6631662239. The reversal of 6631662233 is 3322661366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6631662233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6631662239) 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, 473690153 + ... + 473690166.

It is an arithmetic number, because the mean of its divisors is an integer number (1894760640).

Almost surely, 2^6631662233 is an apocalyptic number.

It is an amenable number.

6631662233 is a deficient number, since it is larger than the sum of its proper divisors (947380327).

6631662233 is an equidigital number, since it uses as much as digits as its factorization.

6631662233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947380326.

The product of its digits is 139968, while the sum is 38.

The square root of 6631662233 is about 81435.0184687153. The cubic root of 6631662233 is about 1878.7722322542.

The spelling of 6631662233 in words is "six billion, six hundred thirty-one million, six hundred sixty-two thousand, two hundred thirty-three".