116221500 has 96 divisors (see below), whose sum is σ = 376084800. Its totient is φ = 30988800.

The previous prime is 116221481. The next prime is 116221513. The reversal of 116221500 is 5122611.

116221500 is a `hidden beast` number, since 1 + 162 + 2 + 1 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9196 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (3917550).

Almost surely, 2^116221500 is an apocalyptic number.

116221500 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 116221500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188042400).

116221500 is an abundant number, since it is smaller than the sum of its proper divisors (259863300).

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

116221500 is a wasteful number, since it uses less digits than its factorization.

116221500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637 (or 8619 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 116221500 is about 10780.6075895564. The cubic root of 116221500 is about 488.0101169183.

The spelling of 116221500 in words is "one hundred sixteen million, two hundred twenty-one thousand, five hundred".