1116988416 has 132 divisors (see below), whose sum is σ = 3395563600. Its totient is φ = 352677888.

The previous prime is 1116988381. The next prime is 1116988429. The reversal of 1116988416 is 6148896111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171915 + ... + 178293.

Almost surely, 2^1116988416 is an apocalyptic number.

1116988416 is a gapful number since it is divisible by the number (16) 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 1116988416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697781800).

1116988416 is an abundant number, since it is smaller than the sum of its proper divisors (2278575184).

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

1116988416 is a wasteful number, since it uses less digits than its factorization.

1116988416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 6403 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 1116988416 is about 33421.3766323292. The cubic root of 1116988416 is about 1037.5671733930.

The spelling of 1116988416 in words is "one billion, one hundred sixteen million, nine hundred eighty-eight thousand, four hundred sixteen".