16706666004747 has 8 divisors (see below), whose sum is σ = 22286631535680. Its totient is φ = 11132238905160.

The previous prime is 16706666004737. The next prime is 16706666004799. The reversal of 16706666004747 is 74740066660761.

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

It is not a de Polignac number, because 16706666004747 - 2⁴⁰ = 15607154376971 is a prime.

It is a super-2 number, since 2×16706666004747² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16706666004737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384600797 + ... + 1384612862.

It is an arithmetic number, because the mean of its divisors is an integer number (2785828941960).

Almost surely, 2^{16706666004747} is an apocalyptic number.

16706666004747 is a deficient number, since it is larger than the sum of its proper divisors (5579965530933).

16706666004747 is a wasteful number, since it uses less digits than its factorization.

16706666004747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769215673.

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 16706666004747 in words is "sixteen trillion, seven hundred six billion, six hundred sixty-six million, four thousand, seven hundred forty-seven".