16670544616666 has 8 divisors (see below), whose sum is σ = 25050232232064. Its totient is φ = 8320467205980.

The previous prime is 16670544616603. The next prime is 16670544616717. The reversal of 16670544616666 is 66661644507661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16670544616598 and 16670544616607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7402549770 + ... + 7402552021.

It is an arithmetic number, because the mean of its divisors is an integer number (3131279029008).

Almost surely, 2^{16670544616666} is an apocalyptic number.

16670544616666 is a deficient number, since it is larger than the sum of its proper divisors (8379687615398).

16670544616666 is a wasteful number, since it uses less digits than its factorization.

16670544616666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805102356.

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 16670544616666 in words is "sixteen trillion, six hundred seventy billion, five hundred forty-four million, six hundred sixteen thousand, six hundred sixty-six".