63323340666 has 8 divisors (see below), whose sum is σ = 126646681344. Its totient is φ = 21107780220.

The previous prime is 63323340653. The next prime is 63323340667. The reversal of 63323340666 is 66604332336.

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

63323340666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63323340667) 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, 5276945050 + ... + 5276945061.

It is an arithmetic number, because the mean of its divisors is an integer number (15830835168).

Almost surely, 2^63323340666 is an apocalyptic number.

63323340666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63323340666 is a wasteful number, since it uses less digits than its factorization.

63323340666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553890116.

The product of its (nonzero) digits is 839808, while the sum is 42.

The spelling of 63323340666 in words is "sixty-three billion, three hundred twenty-three million, three hundred forty thousand, six hundred sixty-six".