116205585 has 8 divisors (see below), whose sum is σ = 185928960. Its totient is φ = 61976304.

The previous prime is 116205571. The next prime is 116205587. The reversal of 116205585 is 585502611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116205585 - 2⁵ = 116205553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116205587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873505 + ... + 3873534.

It is an arithmetic number, because the mean of its divisors is an integer number (23241120).

Almost surely, 2^116205585 is an apocalyptic number.

116205585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116205585 is a deficient number, since it is larger than the sum of its proper divisors (69723375).

116205585 is an equidigital number, since it uses as much as digits as its factorization.

116205585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747047.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 116205585 is about 10779.8694333466. The cubic root of 116205585 is about 487.9878403872.

It can be divided in two parts, 11620 and 5585, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 116205585 in words is "one hundred sixteen million, two hundred five thousand, five hundred eighty-five".