116687220 has 96 divisors (see below), whose sum is σ = 354023040. Its totient is φ = 28546560.

The previous prime is 116687171. The next prime is 116687231. The reversal of 116687220 is 22786611.

It is a super-2 number, since 2×116687220² = 27231814622656800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164226 + ... + 164934.

It is an arithmetic number, because the mean of its divisors is an integer number (3687740).

Almost surely, 2^116687220 is an apocalyptic number.

116687220 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 116687220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177011520).

116687220 is an abundant number, since it is smaller than the sum of its proper divisors (237335820).

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

116687220 is a wasteful number, since it uses less digits than its factorization.

116687220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 116687220 is about 10802.1858899021. The cubic root of 116687220 is about 488.6610956307.

The spelling of 116687220 in words is "one hundred sixteen million, six hundred eighty-seven thousand, two hundred twenty".