834221160 has 128 divisors (see below), whose sum is σ = 2870553600. Its totient is φ = 215274240.

The previous prime is 834221159. The next prime is 834221173. The reversal of 834221160 is 61122438.

834221160 is a `hidden beast` number, since 83 + 422 + 1 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21022 + ... + 45938.

It is an arithmetic number, because the mean of its divisors is an integer number (22426200).

Almost surely, 2^834221160 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 834221160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435276800).

834221160 is an abundant number, since it is smaller than the sum of its proper divisors (2036332440).

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

834221160 is a wasteful number, since it uses less digits than its factorization.

834221160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24968 (or 24958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 834221160 is about 28882.8869748161. The cubic root of 834221160 is about 941.3701010221.

Adding to 834221160 its reverse (61122438), we get a palindrome (895343598).

The spelling of 834221160 in words is "eight hundred thirty-four million, two hundred twenty-one thousand, one hundred sixty".