18785616960 has 224 divisors, whose sum is σ = 65382672384. Its totient is φ = 4531968000.

The previous prime is 18785616923. The next prime is 18785617001. The reversal of 18785616960 is 6961658781.

It is a self number, because there is not a number n which added to its sum of digits gives 18785616960.

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, 2223945 + ... + 2232375.

Almost surely, 2^18785616960 is an apocalyptic number.

18785616960 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 18785616960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32691336192).

18785616960 is an abundant number, since it is smaller than the sum of its proper divisors (46597055424).

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

18785616960 is a wasteful number, since it uses less digits than its factorization.

18785616960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8663 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 18785616960 in words is "eighteen billion, seven hundred eighty-five million, six hundred sixteen thousand, nine hundred sixty".