15996003330828 has 12 divisors (see below), whose sum is σ = 37324007771960. Its totient is φ = 5332001110272.

The previous prime is 15996003330821. The next prime is 15996003330829. The reversal of 15996003330828 is 82803330069951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (15996003330821) 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, 666500138773 + ... + 666500138796.

Almost surely, 2^{15996003330828} is an apocalyptic number.

It is an amenable number.

15996003330828 is an abundant number, since it is smaller than the sum of its proper divisors (21328004441132).

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

15996003330828 is a wasteful number, since it uses less digits than its factorization.

15996003330828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333000277576 (or 1333000277574 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 15996003330828 in words is "fifteen trillion, nine hundred ninety-six billion, three million, three hundred thirty thousand, eight hundred twenty-eight".