30663115560 has 768 divisors, whose sum is σ = 135862272000. Its totient is φ = 5800550400.

The previous prime is 30663115523. The next prime is 30663115579. The reversal of 30663115560 is 6551136603.

30663115560 is a `hidden beast` number, since 3 + 0 + 6 + 631 + 15 + 5 + 6 + 0 = 666.

It is a super-2 number, since 2×30663115560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14607391 + ... + 14609489.

It is an arithmetic number, because the mean of its divisors is an integer number (176904000).

Almost surely, 2^30663115560 is an apocalyptic number.

30663115560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30663115560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67931136000).

30663115560 is an abundant number, since it is smaller than the sum of its proper divisors (105199156440).

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

30663115560 is a wasteful number, since it uses less digits than its factorization.

30663115560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 30663115560 in words is "thirty billion, six hundred sixty-three million, one hundred fifteen thousand, five hundred sixty".