116716981 has 8 divisors (see below), whose sum is σ = 126181280. Its totient is φ = 107584848.

The previous prime is 116716969. The next prime is 116717009. The reversal of 116716981 is 189617611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116716981 is a prime.

It is a super-2 number, since 2×116716981² = 27245707307508722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116716931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82311 + ... + 83716.

It is an arithmetic number, because the mean of its divisors is an integer number (15772660).

Almost surely, 2^116716981 is an apocalyptic number.

It is an amenable number.

116716981 is a deficient number, since it is larger than the sum of its proper divisors (9464299).

116716981 is a wasteful number, since it uses less digits than its factorization.

116716981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166083.

The product of its digits is 18144, while the sum is 40.

The square root of 116716981 is about 10803.5633473405. The cubic root of 116716981 is about 488.7026363314.

The spelling of 116716981 in words is "one hundred sixteen million, seven hundred sixteen thousand, nine hundred eighty-one".