1320006562560 has 648 divisors, whose sum is σ = 5324438901600. Its totient is φ = 301051183104.

The previous prime is 1320006562529. The next prime is 1320006562573. The reversal of 1320006562560 is 652656000231.

It is a happy number.

1320006562560 is a `hidden beast` number, since 1 + 3 + 20 + 0 + 0 + 6 + 5 + 625 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 283931116 + ... + 283935764.

It is an arithmetic number, because the mean of its divisors is an integer number (8216726700).

Almost surely, 2^{1320006562560} is an apocalyptic number.

1320006562560 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 1320006562560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662219450800).

1320006562560 is an abundant number, since it is smaller than the sum of its proper divisors (4004432339040).

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

1320006562560 is a wasteful number, since it uses less digits than its factorization.

1320006562560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1320006562560 in words is "one trillion, three hundred twenty billion, six million, five hundred sixty-two thousand, five hundred sixty".