1323218160 has 160 divisors (see below), whose sum is σ = 4972181760. Its totient is φ = 320774400.

The previous prime is 1323218153. The next prime is 1323218219. The reversal of 1323218160 is 618123231.

It is a happy number.

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

It is a congruent number.

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, 4086 + ... + 51605.

It is an arithmetic number, because the mean of its divisors is an integer number (31076136).

Almost surely, 2^1323218160 is an apocalyptic number.

1323218160 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 1323218160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486090880).

1323218160 is an abundant number, since it is smaller than the sum of its proper divisors (3648963600).

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

1323218160 is a wasteful number, since it uses less digits than its factorization.

1323218160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55724 (or 55712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1323218160 is about 36376.0657575830. The cubic root of 1323218160 is about 1097.8520508948.

The spelling of 1323218160 in words is "one billion, three hundred twenty-three million, two hundred eighteen thousand, one hundred sixty".