30643766668 has 12 divisors (see below), whose sum is σ = 53633211912. Its totient is φ = 15319991840.

The previous prime is 30643766651. The next prime is 30643766711. The reversal of 30643766668 is 86666734603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436105 + ... + 501472.

It is an arithmetic number, because the mean of its divisors is an integer number (4469434326).

Almost surely, 2^30643766668 is an apocalyptic number.

It is an amenable number.

30643766668 is a deficient number, since it is larger than the sum of its proper divisors (22989445244).

30643766668 is a wasteful number, since it uses less digits than its factorization.

30643766668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945752 (or 945750 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 55.

The spelling of 30643766668 in words is "thirty billion, six hundred forty-three million, seven hundred sixty-six thousand, six hundred sixty-eight".