116217984 has 128 divisors (see below), whose sum is σ = 344433600. Its totient is φ = 34504704.

The previous prime is 116217979. The next prime is 116217991. The reversal of 116217984 is 489712611.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123564 + ... + 124500.

Almost surely, 2^116217984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116217984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172216800).

116217984 is an abundant number, since it is smaller than the sum of its proper divisors (228215616).

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

116217984 is a wasteful number, since it uses less digits than its factorization.

116217984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 978 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 116217984 is about 10780.4445177367. Note that the first 3 decimals coincide. The cubic root of 116217984 is about 488.0051956806.

The spelling of 116217984 in words is "one hundred sixteen million, two hundred seventeen thousand, nine hundred eighty-four".