6660297286 has 4 divisors (see below), whose sum is σ = 9990445932. Its totient is φ = 3330148642.

The previous prime is 6660297271. The next prime is 6660297361. The reversal of 6660297286 is 6827920666.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665074320 + ... + 1665074323.

It is an arithmetic number, because the mean of its divisors is an integer number (2497611483).

Almost surely, 2^6660297286 is an apocalyptic number.

6660297286 is a deficient number, since it is larger than the sum of its proper divisors (3330148646).

6660297286 is a wasteful number, since it uses less digits than its factorization.

6660297286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330148645.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 6660297286 is about 81610.6444405385. The cubic root of 6660297286 is about 1881.4724851073.

The spelling of 6660297286 in words is "six billion, six hundred sixty million, two hundred ninety-seven thousand, two hundred eighty-six".