16644684000001 has 8 divisors (see below), whose sum is σ = 16958844090720. Its totient is φ = 16332457202688.

The previous prime is 16644683999963. The next prime is 16644684000011. The reversal of 16644684000001 is 10000048644661.

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

It is a cyclic number.

It is not a de Polignac number, because 16644684000001 - 2³⁵ = 16610324261633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16644684000011) 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, 483305971 + ... + 483340408.

It is an arithmetic number, because the mean of its divisors is an integer number (2119855511340).

Almost surely, 2^{16644684000001} is an apocalyptic number.

It is an amenable number.

16644684000001 is a deficient number, since it is larger than the sum of its proper divisors (314160090719).

16644684000001 is an equidigital number, since it uses as much as digits as its factorization.

16644684000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966646703.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 16644684000001 in words is "sixteen trillion, six hundred forty-four billion, six hundred eighty-four million, one", and thus it is an aban number.