1116643560 has 192 divisors, whose sum is σ = 3620557440. Its totient is φ = 274982400.

The previous prime is 1116643553. The next prime is 1116643597. The reversal of 1116643560 is 653466111.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2652150 + ... + 2652570.

It is an arithmetic number, because the mean of its divisors is an integer number (18857070).

Almost surely, 2^1116643560 is an apocalyptic number.

1116643560 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 1116643560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810278720).

1116643560 is an abundant number, since it is smaller than the sum of its proper divisors (2503913880).

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

1116643560 is a wasteful number, since it uses less digits than its factorization.

1116643560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1116643560 is about 33416.2170210812. The cubic root of 1116643560 is about 1037.4603838359.

The spelling of 1116643560 in words is "one billion, one hundred sixteen million, six hundred forty-three thousand, five hundred sixty".