16573668705 has 48 divisors (see below), whose sum is σ = 31578655680. Its totient is φ = 7974345600.

The previous prime is 16573668691. The next prime is 16573668721. The reversal of 16573668705 is 50786637561.

16573668705 is a `hidden beast` number, since 1 + 6 + 573 + 6 + 68 + 7 + 0 + 5 = 666.

It is not a de Polignac number, because 16573668705 - 2⁶ = 16573668641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62950 + ... + 192639.

It is an arithmetic number, because the mean of its divisors is an integer number (657888660).

Almost surely, 2^16573668705 is an apocalyptic number.

16573668705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16573668705 is a deficient number, since it is larger than the sum of its proper divisors (15004986975).

16573668705 is a wasteful number, since it uses less digits than its factorization.

16573668705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255742 (or 255739 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 16573668705 in words is "sixteen billion, five hundred seventy-three million, six hundred sixty-eight thousand, seven hundred five".