1328975016 has 32 divisors (see below), whose sum is σ = 3372030240. Its totient is φ = 436379328.

The previous prime is 1328975003. The next prime is 1328975027. The reversal of 1328975016 is 6105798231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411631 + ... + 414846.

It is an arithmetic number, because the mean of its divisors is an integer number (105375945).

Almost surely, 2^1328975016 is an apocalyptic number.

It is an amenable number.

1328975016 is an abundant number, since it is smaller than the sum of its proper divisors (2043055224).

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

1328975016 is a wasteful number, since it uses less digits than its factorization.

1328975016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826553 (or 826549 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1328975016 is about 36455.1096007130. The cubic root of 1328975016 is about 1099.4418700259.

The spelling of 1328975016 in words is "one billion, three hundred twenty-eight million, nine hundred seventy-five thousand, sixteen".