1116563660 has 48 divisors (see below), whose sum is σ = 2415565152. Its totient is φ = 433267200.

The previous prime is 1116563659. The next prime is 1116563699. The reversal of 1116563660 is 663656111.

It is a self number, because there is not a number n which added to its sum of digits gives 1116563660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144659 + ... + 152181.

It is an arithmetic number, because the mean of its divisors is an integer number (50324274).

Almost surely, 2^1116563660 is an apocalyptic number.

1116563660 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 1116563660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207782576).

1116563660 is an abundant number, since it is smaller than the sum of its proper divisors (1299001492).

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

1116563660 is a wasteful number, since it uses less digits than its factorization.

1116563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754 (or 7752 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1116563660 is about 33415.0214723857. The cubic root of 1116563660 is about 1037.4356385293.

The spelling of 1116563660 in words is "one billion, one hundred sixteen million, five hundred sixty-three thousand, six hundred sixty".