16442066113617 has 4 divisors (see below), whose sum is σ = 21922754818160. Its totient is φ = 10961377409076.

The previous prime is 16442066113579. The next prime is 16442066113619. The reversal of 16442066113617 is 71631166024461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16442066113617 - 2²² = 16442061919313 is a prime.

It is a super-3 number, since 3×16442066113617³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442066113619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740344352267 + ... + 2740344352272.

It is an arithmetic number, because the mean of its divisors is an integer number (5480688704540).

Almost surely, 2^{16442066113617} is an apocalyptic number.

It is an amenable number.

16442066113617 is a deficient number, since it is larger than the sum of its proper divisors (5480688704543).

16442066113617 is an equidigital number, since it uses as much as digits as its factorization.

16442066113617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480688704542.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 16442066113617 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, one hundred thirteen thousand, six hundred seventeen".