30030815668 has 12 divisors (see below), whose sum is σ = 60061631392. Its totient is φ = 12870349560.

The previous prime is 30030815621. The next prime is 30030815671. The reversal of 30030815668 is 86651803003.

30030815668 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30030815668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536264538 + ... + 536264593.

Almost surely, 2^30030815668 is an apocalyptic number.

It is an amenable number.

30030815668 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.

30030815668 is a wasteful number, since it uses less digits than its factorization.

30030815668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072529142 (or 1072529140 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 30030815668 in words is "thirty billion, thirty million, eight hundred fifteen thousand, six hundred sixty-eight".