30663305616 has 20 divisors (see below), whose sum is σ = 79213539632. Its totient is φ = 10221101856.

The previous prime is 30663305587. The next prime is 30663305653. The reversal of 30663305616 is 61650336603.

It is a super-2 number, since 2×30663305616² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319409386 + ... + 319409481.

Almost surely, 2^30663305616 is an apocalyptic number.

It is an amenable number.

30663305616 is an abundant number, since it is smaller than the sum of its proper divisors (48550234016).

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

30663305616 is a wasteful number, since it uses less digits than its factorization.

30663305616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638818878 (or 638818872 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 39.

The spelling of 30663305616 in words is "thirty billion, six hundred sixty-three million, three hundred five thousand, six hundred sixteen".