16665085608 has 32 divisors (see below), whose sum is σ = 41697476160. Its totient is φ = 5550393600.

The previous prime is 16665085589. The next prime is 16665085639. The reversal of 16665085608 is 80658056661.

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, 260260 + ... + 317907.

It is an arithmetic number, because the mean of its divisors is an integer number (1303046130).

Almost surely, 2^16665085608 is an apocalyptic number.

It is an amenable number.

16665085608 is an abundant number, since it is smaller than the sum of its proper divisors (25032390552).

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

16665085608 is a wasteful number, since it uses less digits than its factorization.

16665085608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579377 (or 579373 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 16665085608 in words is "sixteen billion, six hundred sixty-five million, eighty-five thousand, six hundred eight".