1330328649660 has 192 divisors, whose sum is σ = 3794448333312. Its totient is φ = 348195815424.

The previous prime is 1330328649649. The next prime is 1330328649721. The reversal of 1330328649660 is 669468230331.

It is a happy number.

It is a super-2 number, since 2×1330328649660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 669515187 + ... + 669517173.

It is an arithmetic number, because the mean of its divisors is an integer number (19762751736).

Almost surely, 2^{1330328649660} is an apocalyptic number.

1330328649660 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 1330328649660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897224166656).

1330328649660 is an abundant number, since it is smaller than the sum of its proper divisors (2464119683652).

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

1330328649660 is a wasteful number, since it uses less digits than its factorization.

1330328649660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 1330328649660 in words is "one trillion, three hundred thirty billion, three hundred twenty-eight million, six hundred forty-nine thousand, six hundred sixty".