1216160 has 48 divisors (see below), whose sum is σ = 3138912. Its totient is φ = 441600.

The previous prime is 1216151. The next prime is 1216177. The reversal of 1216160 is 616121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (65394).

2^1216160 is an apocalyptic number.

1216160 is a gapful number since it is divisible by the number (10) 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 1216160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569456).

1216160 is an abundant number, since it is smaller than the sum of its proper divisors (1922752).

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

1216160 is a wasteful number, since it uses less digits than its factorization.

1216160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1216160 is about 1102.7964454060. The cubic root of 1216160 is about 106.7407471500.

It can be divided in two parts, 12161 and 60, that added together give a palindrome (12221).

The spelling of 1216160 in words is "one million, two hundred sixteen thousand, one hundred sixty".