1116954198 has 80 divisors (see below), whose sum is σ = 2701939680. Its totient is φ = 343816704.

The previous prime is 1116954191. The next prime is 1116954199. The reversal of 1116954198 is 8914596111.

1116954198 is a `hidden beast` number, since 1 + 1 + 16 + 9 + 541 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116954191) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102886 + ... + 113222.

It is an arithmetic number, because the mean of its divisors is an integer number (33774246).

Almost surely, 2^1116954198 is an apocalyptic number.

1116954198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116954198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350969840).

1116954198 is an abundant number, since it is smaller than the sum of its proper divisors (1584985482).

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

1116954198 is a wasteful number, since it uses less digits than its factorization.

1116954198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403 (or 10394 counting only the distinct ones).

The product of its digits is 77760, while the sum is 45.

The square root of 1116954198 is about 33420.8647105367. The cubic root of 1116954198 is about 1037.5565782858.

The spelling of 1116954198 in words is "one billion, one hundred sixteen million, nine hundred fifty-four thousand, one hundred ninety-eight".