636160 has 72 divisors (see below), whose sum is σ = 1766016. Its totient is φ = 215040.

The previous prime is 636149. The next prime is 636193. The reversal of 636160 is 61636.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

636160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (24528).

2⁶³⁶¹⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 636160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883008).

636160 is an abundant number, since it is smaller than the sum of its proper divisors (1129856).

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

636160 is an equidigital number, since it uses as much as digits as its factorization.

636160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 636160 is about 797.5963891593. The cubic root of 636160 is about 86.0046869629.

Adding to 636160 its reverse (61636), we get a palindrome (697796).

The spelling of 636160 in words is "six hundred thirty-six thousand, one hundred sixty".