16643145288 has 64 divisors (see below), whose sum is σ = 51874744320. Its totient is φ = 4322894400.

The previous prime is 16643145263. The next prime is 16643145329. The reversal of 16643145288 is 88254134661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501168 + ... + 4504863.

It is an arithmetic number, because the mean of its divisors is an integer number (810542880).

Almost surely, 2^16643145288 is an apocalyptic number.

It is an amenable number.

16643145288 is an abundant number, since it is smaller than the sum of its proper divisors (35231599032).

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

16643145288 is a wasteful number, since it uses less digits than its factorization.

16643145288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006058 (or 9006054 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The spelling of 16643145288 in words is "sixteen billion, six hundred forty-three million, one hundred forty-five thousand, two hundred eighty-eight".