116187660 has 144 divisors (see below), whose sum is σ = 378574560. Its totient is φ = 28753920.

The previous prime is 116187653. The next prime is 116187661. The reversal of 116187660 is 66781611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (116187661) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 180940 + ... + 181580.

It is an arithmetic number, because the mean of its divisors is an integer number (2628990).

Almost surely, 2^116187660 is an apocalyptic number.

116187660 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 116187660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189287280).

116187660 is an abundant number, since it is smaller than the sum of its proper divisors (262386900).

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

116187660 is a wasteful number, since it uses less digits than its factorization.

116187660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 116187660 is about 10779.0379904702. The cubic root of 116187660 is about 487.9627479850.

The spelling of 116187660 in words is "one hundred sixteen million, one hundred eighty-seven thousand, six hundred sixty".