30656969616 has 160 divisors (see below), whose sum is σ = 97824238848. Its totient is φ = 8056258560.

The previous prime is 30656969573. The next prime is 30656969621. The reversal of 30656969616 is 61696965603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214920 + ... + 1239896.

Almost surely, 2^30656969616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30656969616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48912119424).

30656969616 is an abundant number, since it is smaller than the sum of its proper divisors (67167269232).

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

30656969616 is a wasteful number, since it uses less digits than its factorization.

30656969616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25289 (or 25283 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 57.

The spelling of 30656969616 in words is "thirty billion, six hundred fifty-six million, nine hundred sixty-nine thousand, six hundred sixteen".