636116 has 18 divisors (see below), whose sum is σ = 1206702. Its totient is φ = 293280.

The previous prime is 636109. The next prime is 636133. The reversal of 636116 is 611636.

636116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2500 + 633616 = 50^2 + 796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 636091 and 636100.

It is a congruent number.

It is an unprimeable number.

636116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (67039).

2⁶³⁶¹¹⁶ is an apocalyptic number.

It is an amenable number.

636116 is a deficient number, since it is larger than the sum of its proper divisors (570586).

636116 is a wasteful number, since it uses less digits than its factorization.

636116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 956 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 636116 is about 797.5688058093. The cubic root of 636116 is about 86.0027040794.

The spelling of 636116 in words is "six hundred thirty-six thousand, one hundred sixteen".