6670209516 has 12 divisors (see below), whose sum is σ = 15563822232. Its totient is φ = 2223403168.

The previous prime is 6670209443. The next prime is 6670209563. The reversal of 6670209516 is 6159020766.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 277925385 + ... + 277925408.

It is an arithmetic number, because the mean of its divisors is an integer number (1296985186).

Almost surely, 2^6670209516 is an apocalyptic number.

It is an amenable number.

6670209516 is an abundant number, since it is smaller than the sum of its proper divisors (8893612716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6670209516 is a wasteful number, since it uses less digits than its factorization.

6670209516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555850800 (or 555850798 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 6670209516 is about 81671.3506439069. The cubic root of 6670209516 is about 1882.4053936079.

The spelling of 6670209516 in words is "six billion, six hundred seventy million, two hundred nine thousand, five hundred sixteen".