16845328576 has 28 divisors (see below), whose sum is σ = 34505757760. Its totient is φ = 8150964480.

The previous prime is 16845328573. The next prime is 16845328583. The reversal of 16845328576 is 67582354861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16845328573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243311 + ... + 4247278.

Almost surely, 2^16845328576 is an apocalyptic number.

16845328576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16845328576 is an abundant number, since it is smaller than the sum of its proper divisors (17660429184).

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

16845328576 is an equidigital number, since it uses as much as digits as its factorization.

16845328576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490632 (or 8490622 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 55.

The spelling of 16845328576 in words is "sixteen billion, eight hundred forty-five million, three hundred twenty-eight thousand, five hundred seventy-six".