1116344988 has 36 divisors (see below), whose sum is σ = 3078406968. Its totient is φ = 338286240.

The previous prime is 1116344969. The next prime is 1116345011. The reversal of 1116344988 is 8894436111.

1116344988 is a `hidden beast` number, since 1 + 1 + 1 + 634 + 4 + 9 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1116344988² = 2492452264465440288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1409131 + ... + 1409922.

Almost surely, 2^1116344988 is an apocalyptic number.

1116344988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1116344988 is an abundant number, since it is smaller than the sum of its proper divisors (1962061980).

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

1116344988 is a wasteful number, since it uses less digits than its factorization.

1116344988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819074 (or 2819069 counting only the distinct ones).

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

The square root of 1116344988 is about 33411.7492508249. The cubic root of 1116344988 is about 1037.3679090168.

The spelling of 1116344988 in words is "one billion, one hundred sixteen million, three hundred forty-four thousand, nine hundred eighty-eight".