30666101312728 has 32 divisors (see below), whose sum is σ = 65725927011360. Its totient is φ = 13140044294400.

The previous prime is 30666101312719. The next prime is 30666101312831. The reversal of 30666101312728 is 82721310166603.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53264323 + ... + 53836978.

It is an arithmetic number, because the mean of its divisors is an integer number (2053935219105).

Almost surely, 2^{30666101312728} is an apocalyptic number.

It is an amenable number.

30666101312728 is an abundant number, since it is smaller than the sum of its proper divisors (35059825698632).

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

30666101312728 is a wasteful number, since it uses less digits than its factorization.

30666101312728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107106427 (or 107106423 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 30666101312728 in words is "thirty trillion, six hundred sixty-six billion, one hundred one million, three hundred twelve thousand, seven hundred twenty-eight".