16661056703264 has 48 divisors (see below), whose sum is σ = 32848263201600. Its totient is φ = 8318642492160.

The previous prime is 16661056703219. The next prime is 16661056703293. The reversal of 16661056703264 is 46230765016661.

16661056703264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 431491319 + ... + 431529929.

It is an arithmetic number, because the mean of its divisors is an integer number (684338816700).

Almost surely, 2^{16661056703264} is an apocalyptic number.

It is an amenable number.

16661056703264 is a deficient number, since it is larger than the sum of its proper divisors (16187206498336).

16661056703264 is a wasteful number, since it uses less digits than its factorization.

16661056703264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57513 (or 57505 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 16661056703264 in words is "sixteen trillion, six hundred sixty-one billion, fifty-six million, seven hundred three thousand, two hundred sixty-four".