6611089906 has 8 divisors (see below), whose sum is σ = 9940882140. Its totient is φ = 3297462528.

The previous prime is 6611089883. The next prime is 6611089907. The reversal of 6611089906 is 6099801166.

It can be written as a sum of positive squares in 2 ways, for example, as 6599125225 + 11964681 = 81235^2 + 3459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6611089907) 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, 4040191 + ... + 4041826.

Almost surely, 2^6611089906 is an apocalyptic number.

6611089906 is a deficient number, since it is larger than the sum of its proper divisors (3329792234).

6611089906 is a wasteful number, since it uses less digits than its factorization.

6611089906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082428.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 6611089906 is about 81308.6090521785. The cubic root of 6611089906 is about 1876.8274834118.

The spelling of 6611089906 in words is "six billion, six hundred eleven million, eighty-nine thousand, nine hundred six".