1320828506608 has 20 divisors (see below), whose sum is σ = 2755959480568. Its totient is φ = 609613156800.

The previous prime is 1320828506567. The next prime is 1320828506609. The reversal of 1320828506608 is 8066058280231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320828506609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175068318 + ... + 3175068733.

Almost surely, 2^{1320828506608} is an apocalyptic number.

It is an amenable number.

1320828506608 is an abundant number, since it is smaller than the sum of its proper divisors (1435130973960).

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

1320828506608 is a wasteful number, since it uses less digits than its factorization.

1320828506608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350137072 (or 6350137066 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 1320828506608 in words is "one trillion, three hundred twenty billion, eight hundred twenty-eight million, five hundred six thousand, six hundred eight".