116909980 has 48 divisors (see below), whose sum is σ = 269144064. Its totient is φ = 42304320.

The previous prime is 116909971. The next prime is 116909987. The reversal of 116909980 is 89909611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116909987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47869 + ... + 50251.

It is an arithmetic number, because the mean of its divisors is an integer number (5607168).

Almost surely, 2^116909980 is an apocalyptic number.

116909980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116909980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134572032).

116909980 is an abundant number, since it is smaller than the sum of its proper divisors (152234084).

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

116909980 is a wasteful number, since it uses less digits than its factorization.

116909980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 116909980 is about 10812.4918497079. The cubic root of 116909980 is about 488.9718550273.

The spelling of 116909980 in words is "one hundred sixteen million, nine hundred nine thousand, nine hundred eighty".