16065066666 has 48 divisors (see below), whose sum is σ = 35666424864. Its totient is φ = 4819980000.

The previous prime is 16065066631. The next prime is 16065066671. The reversal of 16065066666 is 66666056061.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36220 + ... + 182871.

It is an arithmetic number, because the mean of its divisors is an integer number (743050518).

Almost surely, 2^16065066666 is an apocalyptic number.

16065066666 is an abundant number, since it is smaller than the sum of its proper divisors (19601358198).

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

16065066666 is a wasteful number, since it uses less digits than its factorization.

16065066666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219219 (or 219208 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 16065066666 in words is "sixteen billion, sixty-five million, sixty-six thousand, six hundred sixty-six".