6665796306 has 24 divisors (see below), whose sum is σ = 15553525260. Its totient is φ = 2051014176.

The previous prime is 6665796281. The next prime is 6665796311. The reversal of 6665796306 is 6036975666.

It can be written as a sum of positive squares in 2 ways, for example, as 5400927081 + 1264869225 = 73491^2 + 35565^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14242921 + ... + 14243388.

Almost surely, 2^6665796306 is an apocalyptic number.

6665796306 is an abundant number, since it is smaller than the sum of its proper divisors (8887728954).

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

6665796306 is a wasteful number, since it uses less digits than its factorization.

6665796306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28486330 (or 28486327 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The square root of 6665796306 is about 81644.3280699890. The cubic root of 6665796306 is about 1881.9901501229.

The spelling of 6665796306 in words is "six billion, six hundred sixty-five million, seven hundred ninety-six thousand, three hundred six".