1328019314516 has 6 divisors (see below), whose sum is σ = 2324033800410. Its totient is φ = 664009657256.

The previous prime is 1328019314507. The next prime is 1328019314539. The reversal of 1328019314516 is 6154139108231.

It can be written as a sum of positive squares in only one way, i.e., 881728512016 + 446290802500 = 939004^2 + 668050^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166002414311 + ... + 166002414318.

It is an arithmetic number, because the mean of its divisors is an integer number (387338966735).

Almost surely, 2^{1328019314516} is an apocalyptic number.

It is an amenable number.

1328019314516 is a deficient number, since it is larger than the sum of its proper divisors (996014485894).

1328019314516 is a wasteful number, since it uses less digits than its factorization.

1328019314516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332004828633 (or 332004828631 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1328019314516 in words is "one trillion, three hundred twenty-eight billion, nineteen million, three hundred fourteen thousand, five hundred sixteen".