16670850917 has 16 divisors (see below), whose sum is σ = 19255541760. Its totient is φ = 14137736112.

The previous prime is 16670850893. The next prime is 16670850923. The reversal of 16670850917 is 71905807661.

It is a cyclic number.

It is not a de Polignac number, because 16670850917 - 2⁸ = 16670850661 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670850817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221684 + ... + 287202.

It is an arithmetic number, because the mean of its divisors is an integer number (1203471360).

Almost surely, 2^16670850917 is an apocalyptic number.

It is an amenable number.

16670850917 is a deficient number, since it is larger than the sum of its proper divisors (2584690843).

16670850917 is a wasteful number, since it uses less digits than its factorization.

16670850917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65912.

The product of its (nonzero) digits is 635040, while the sum is 50.

The spelling of 16670850917 in words is "sixteen billion, six hundred seventy million, eight hundred fifty thousand, nine hundred seventeen".