18830536560 has 560 divisors, whose sum is σ = 72455407200. Its totient is φ = 4511324160.

The previous prime is 18830536559. The next prime is 18830536601. The reversal of 18830536560 is 6563503881.

18830536560 is a `hidden beast` number, since 1 + 8 + 8 + 30 + 53 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 95586382 + ... + 95586578.

Almost surely, 2^18830536560 is an apocalyptic number.

18830536560 is a gapful number since it is divisible by the number (10) 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 18830536560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36227703600).

18830536560 is an abundant number, since it is smaller than the sum of its proper divisors (53624870640).

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

18830536560 is a wasteful number, since it uses less digits than its factorization.

18830536560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 18830536560 in words is "eighteen billion, eight hundred thirty million, five hundred thirty-six thousand, five hundred sixty".