63666970304 has 28 divisors (see below), whose sum is σ = 144387594384. Its totient is φ = 27285844224.

The previous prime is 63666970247. The next prime is 63666970319. The reversal of 63666970304 is 40307966636.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

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, 71056439 + ... + 71057334.

Almost surely, 2^63666970304 is an apocalyptic number.

63666970304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63666970304 is an abundant number, since it is smaller than the sum of its proper divisors (80720624080).

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

63666970304 is a wasteful number, since it uses less digits than its factorization.

63666970304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142113792 (or 142113782 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 63666970304 in words is "sixty-three billion, six hundred sixty-six million, nine hundred seventy thousand, three hundred four".