116689818 has 16 divisors (see below), whose sum is σ = 266719680. Its totient is φ = 33339936.

The previous prime is 116689817. The next prime is 116689871. The reversal of 116689818 is 818986611.

It is not an unprimeable number, because it can be changed into a prime (116689817) 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, 1389123 + ... + 1389206.

It is an arithmetic number, because the mean of its divisors is an integer number (16669980).

Almost surely, 2^116689818 is an apocalyptic number.

116689818 is an abundant number, since it is smaller than the sum of its proper divisors (150029862).

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

116689818 is a wasteful number, since it uses less digits than its factorization.

116689818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778341.

The product of its digits is 165888, while the sum is 48.

The square root of 116689818 is about 10802.3061426716. The cubic root of 116689818 is about 488.6647222264.

The spelling of 116689818 in words is "one hundred sixteen million, six hundred eighty-nine thousand, eight hundred eighteen".