215828160 has 112 divisors (see below), whose sum is σ = 688214016. Its totient is φ = 57306112.

The previous prime is 215828117. The next prime is 215828167. The reversal of 215828160 is 61828512.

It is not an unprimeable number, because it can be changed into a prime (215828167) 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 15 ways as a sum of consecutive naturals, for example, 367387 + ... + 367973.

It is an arithmetic number, because the mean of its divisors is an integer number (6144768).

Almost surely, 2^215828160 is an apocalyptic number.

215828160 is a gapful number since it is divisible by the number (20) 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 215828160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344107008).

215828160 is an abundant number, since it is smaller than the sum of its proper divisors (472385856).

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

215828160 is a wasteful number, since it uses less digits than its factorization.

215828160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 215828160 is about 14691.0911779895. The cubic root of 215828160 is about 599.8408466763.

The spelling of 215828160 in words is "two hundred fifteen million, eight hundred twenty-eight thousand, one hundred sixty".