30430663816 has 32 divisors (see below), whose sum is σ = 69044365440. Its totient is φ = 12274553088.

The previous prime is 30430663811. The next prime is 30430663841. The reversal of 30430663816 is 61836603403.

It is not an unprimeable number, because it can be changed into a prime (30430663811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15981540 + ... + 15983443.

It is an arithmetic number, because the mean of its divisors is an integer number (2157636420).

Almost surely, 2^30430663816 is an apocalyptic number.

It is an amenable number.

30430663816 is an abundant number, since it is smaller than the sum of its proper divisors (38613701624).

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

30430663816 is a wasteful number, since it uses less digits than its factorization.

30430663816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31965013 (or 31965009 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 30430663816 in words is "thirty billion, four hundred thirty million, six hundred sixty-three thousand, eight hundred sixteen".