116185860 has 144 divisors (see below), whose sum is σ = 420577920. Its totient is φ = 26550720.

The previous prime is 116185847. The next prime is 116185967. The reversal of 116185860 is 68581611.

116185860 is a `hidden beast` number, since 11 + 61 + 8 + 586 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24265 + ... + 28655.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^116185860 is an apocalyptic number.

116185860 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 116185860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210288960).

116185860 is an abundant number, since it is smaller than the sum of its proper divisors (304392060).

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

116185860 is a wasteful number, since it uses less digits than its factorization.

116185860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 116185860 is about 10778.9544947550. The cubic root of 116185860 is about 487.9602281033.

The spelling of 116185860 in words is "one hundred sixteen million, one hundred eighty-five thousand, eight hundred sixty".