6606906985 has 8 divisors (see below), whose sum is σ = 9060901056. Its totient is φ = 4530450480.

The previous prime is 6606906973. The next prime is 6606906997. The reversal of 6606906985 is 5896096066.

It is an interprime number because it is at equal distance from previous prime (6606906973) and next prime (6606906997).

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

It is not a de Polignac number, because 6606906985 - 2⁹ = 6606906473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94384351 + ... + 94384420.

It is an arithmetic number, because the mean of its divisors is an integer number (1132612632).

Almost surely, 2^6606906985 is an apocalyptic number.

It is an amenable number.

6606906985 is a deficient number, since it is larger than the sum of its proper divisors (2453994071).

6606906985 is a wasteful number, since it uses less digits than its factorization.

6606906985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188768783.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The square root of 6606906985 is about 81282.8824845674. The cubic root of 6606906985 is about 1876.4315689954.

The spelling of 6606906985 in words is "six billion, six hundred six million, nine hundred six thousand, nine hundred eighty-five".