66730970304 has 42 divisors (see below), whose sum is σ = 191272279380. Its totient is φ = 22243656576.

The previous prime is 66730970279. The next prime is 66730970309. The reversal of 66730970304 is 40307903766.

66730970304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66730970304.

It is not an unprimeable number, because it can be changed into a prime (66730970309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57925614 + ... + 57926765.

It is an arithmetic number, because the mean of its divisors is an integer number (4554101890).

Almost surely, 2^66730970304 is an apocalyptic number.

66730970304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66730970304 is an abundant number, since it is smaller than the sum of its proper divisors (124541309076).

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

66730970304 is a wasteful number, since it uses less digits than its factorization.

66730970304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115852397 (or 115852384 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 66730970304 in words is "sixty-six billion, seven hundred thirty million, nine hundred seventy thousand, three hundred four".