2118648960 has 448 divisors, whose sum is σ = 8026992000. Its totient is φ = 532998144.

The previous prime is 2118648949. The next prime is 2118648989. The reversal of 2118648960 is 698468112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8864521 + ... + 8864759.

Almost surely, 2^2118648960 is an apocalyptic number.

2118648960 is a gapful number since it is divisible by the number (20) 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 2118648960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4013496000).

2118648960 is an abundant number, since it is smaller than the sum of its proper divisors (5908343040).

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

2118648960 is an equidigital number, since it uses as much as digits as its factorization.

2118648960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2118648960 is about 46028.7840378170. The cubic root of 2118648960 is about 1284.3587084086.

The spelling of 2118648960 in words is "two billion, one hundred eighteen million, six hundred forty-eight thousand, nine hundred sixty".