6664966508 has 12 divisors (see below), whose sum is σ = 11688995472. Its totient is φ = 3325253520.

The previous prime is 6664966507. The next prime is 6664966523. The reversal of 6664966508 is 8056694666.

It is not an unprimeable number, because it can be changed into a prime (6664966507) 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, 1805360 + ... + 1809047.

It is an arithmetic number, because the mean of its divisors is an integer number (974082956).

Almost surely, 2^6664966508 is an apocalyptic number.

It is an amenable number.

6664966508 is a deficient number, since it is larger than the sum of its proper divisors (5024028964).

6664966508 is a wasteful number, since it uses less digits than its factorization.

6664966508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614872 (or 3614870 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 56.

The square root of 6664966508 is about 81639.2461258677. The cubic root of 6664966508 is about 1881.9120531036.

The spelling of 6664966508 in words is "six billion, six hundred sixty-four million, nine hundred sixty-six thousand, five hundred eight".