16442066417223 has 8 divisors (see below), whose sum is σ = 21922788186736. Its totient is φ = 10961361129600.

The previous prime is 16442066417207. The next prime is 16442066417291. The reversal of 16442066417223 is 32271466024461.

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

It is not a de Polignac number, because 16442066417223 - 2⁴ = 16442066417207 is a prime.

It is a super-3 number, since 3×16442066417223³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442066417423) 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, 1566658 + ... + 5944623.

It is an arithmetic number, because the mean of its divisors is an integer number (2740348523342).

Almost surely, 2^{16442066417223} is an apocalyptic number.

16442066417223 is a deficient number, since it is larger than the sum of its proper divisors (5480721769513).

16442066417223 is an equidigital number, since it uses as much as digits as its factorization.

16442066417223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240945.

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 16442066417223 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, four hundred seventeen thousand, two hundred twenty-three".