116688689819 has 16 divisors (see below), whose sum is σ = 127860012000. Its totient is φ = 105841956096.

The previous prime is 116688689779. The next prime is 116688689833. The reversal of 116688689819 is 918986886611.

It is a cyclic number.

It is not a de Polignac number, because 116688689819 - 2³² = 112393722523 is a prime.

It is a super-2 number, since 2×116688689819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116688689869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26732 + ... + 483830.

It is an arithmetic number, because the mean of its divisors is an integer number (7991250750).

Almost surely, 2^116688689819 is an apocalyptic number.

116688689819 is a deficient number, since it is larger than the sum of its proper divisors (11171322181).

116688689819 is a wasteful number, since it uses less digits than its factorization.

116688689819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457454.

The product of its digits is 71663616, while the sum is 71.

The spelling of 116688689819 in words is "one hundred sixteen billion, six hundred eighty-eight million, six hundred eighty-nine thousand, eight hundred nineteen".