16653447616699 has 8 divisors (see below), whose sum is σ = 16755225572160. Its totient is φ = 16551937147200.

The previous prime is 16653447616697. The next prime is 16653447616709. The reversal of 16653447616699 is 99661674435661.

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 16653447616699 - 2¹ = 16653447616697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16653447616691) 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, 66746592 + ... + 66995629.

It is an arithmetic number, because the mean of its divisors is an integer number (2094403196520).

Almost surely, 2^{16653447616699} is an apocalyptic number.

16653447616699 is a deficient number, since it is larger than the sum of its proper divisors (101777955461).

16653447616699 is a wasteful number, since it uses less digits than its factorization.

16653447616699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133742981.

The product of its digits is 1058158080, while the sum is 73.

The spelling of 16653447616699 in words is "sixteen trillion, six hundred fifty-three billion, four hundred forty-seven million, six hundred sixteen thousand, six hundred ninety-nine".