1116689814 has 40 divisors (see below), whose sum is σ = 2544644520. Its totient is φ = 365917824.

The previous prime is 1116689801. The next prime is 1116689857. The reversal of 1116689814 is 4189866111.

It is a happy number.

It is a super-2 number, since 2×1116689814² = 2493992281382709192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1116689814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48859 + ... + 67974.

It is an arithmetic number, because the mean of its divisors is an integer number (63616113).

Almost surely, 2^1116689814 is an apocalyptic number.

1116689814 is an abundant number, since it is smaller than the sum of its proper divisors (1427954706).

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

1116689814 is a wasteful number, since it uses less digits than its factorization.

1116689814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116906 (or 116897 counting only the distinct ones).

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

The square root of 1116689814 is about 33416.9091030275. The cubic root of 1116689814 is about 1037.4747083204.

The spelling of 1116689814 in words is "one billion, one hundred sixteen million, six hundred eighty-nine thousand, eight hundred fourteen".