63306265666 has 8 divisors (see below), whose sum is σ = 108525026880. Its totient is φ = 27131256708.

The previous prime is 63306265651. The next prime is 63306265667. The reversal of 63306265666 is 66656260336.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (63306265667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260938046 + ... + 2260938073.

It is an arithmetic number, because the mean of its divisors is an integer number (13565628360).

Almost surely, 2^63306265666 is an apocalyptic number.

63306265666 is a deficient number, since it is larger than the sum of its proper divisors (45218761214).

63306265666 is a wasteful number, since it uses less digits than its factorization.

63306265666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521876128.

The product of its (nonzero) digits is 4199040, while the sum is 49.

The spelling of 63306265666 in words is "sixty-three billion, three hundred six million, two hundred sixty-five thousand, six hundred sixty-six".