1329605647916 has 48 divisors (see below), whose sum is σ = 2864299308864. Its totient is φ = 525899886336.

The previous prime is 1329605647889. The next prime is 1329605647921. The reversal of 1329605647916 is 6197465069231.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1632926 + ... + 2307738.

It is an arithmetic number, because the mean of its divisors is an integer number (59672902268).

Almost surely, 2^{1329605647916} is an apocalyptic number.

It is an amenable number.

1329605647916 is an abundant number, since it is smaller than the sum of its proper divisors (1534693660948).

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

1329605647916 is a wasteful number, since it uses less digits than its factorization.

1329605647916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680250 (or 680248 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 1329605647916 in words is "one trillion, three hundred twenty-nine billion, six hundred five million, six hundred forty-seven thousand, nine hundred sixteen".