1116897760 has 144 divisors (see below), whose sum is σ = 2995526016. Its totient is φ = 392832000.

The previous prime is 1116897751. The next prime is 1116897797. The reversal of 1116897760 is 677986111.

It is a self number, because there is not a number n which added to its sum of digits gives 1116897760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599230 + ... + 601090.

It is an arithmetic number, because the mean of its divisors is an integer number (20802264).

Almost surely, 2^1116897760 is an apocalyptic number.

1116897760 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 1116897760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497763008).

1116897760 is an abundant number, since it is smaller than the sum of its proper divisors (1878628256).

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

1116897760 is a wasteful number, since it uses less digits than its factorization.

1116897760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 1116897760 is about 33420.0203470914. The cubic root of 1116897760 is about 1037.5391026052.

The spelling of 1116897760 in words is "one billion, one hundred sixteen million, eight hundred ninety-seven thousand, seven hundred sixty".