1320668160 has 352 divisors, whose sum is σ = 4923804672. Its totient is φ = 295895040.

The previous prime is 1320668147. The next prime is 1320668183. The reversal of 1320668160 is 618660231.

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, 7633834 + ... + 7634006.

Almost surely, 2^1320668160 is an apocalyptic number.

1320668160 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 1320668160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461902336).

1320668160 is an abundant number, since it is smaller than the sum of its proper divisors (3603136512).

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

1320668160 is a wasteful number, since it uses less digits than its factorization.

1320668160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1320668160 is about 36340.9983352136. The cubic root of 1320668160 is about 1097.1463665562.

The spelling of 1320668160 in words is "one billion, three hundred twenty million, six hundred sixty-eight thousand, one hundred sixty".