30678640116 has 12 divisors (see below), whose sum is σ = 71583493632. Its totient is φ = 10226213368.

The previous prime is 30678640093. The next prime is 30678640123. The reversal of 30678640116 is 61104687603.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1278276660 + ... + 1278276683.

It is an arithmetic number, because the mean of its divisors is an integer number (5965291136).

Almost surely, 2^30678640116 is an apocalyptic number.

It is an amenable number.

30678640116 is an abundant number, since it is smaller than the sum of its proper divisors (40904853516).

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

30678640116 is a wasteful number, since it uses less digits than its factorization.

30678640116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556553350 (or 2556553348 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 30678640116 in words is "thirty billion, six hundred seventy-eight million, six hundred forty thousand, one hundred sixteen".