16442673222065 has 16 divisors (see below), whose sum is σ = 20370625752576. Its totient is φ = 12727981958400.

The previous prime is 16442673222047. The next prime is 16442673222119. The reversal of 16442673222065 is 56022237624461.

It is not a de Polignac number, because 16442673222065 - 2²⁴ = 16442656444849 is a prime.

It is a super-3 number, since 3×16442673222065³ (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 Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6540767 + ... + 8698676.

It is an arithmetic number, because the mean of its divisors is an integer number (1273164109536).

Almost surely, 2^{16442673222065} is an apocalyptic number.

It is an amenable number.

16442673222065 is a deficient number, since it is larger than the sum of its proper divisors (3927952530511).

16442673222065 is a wasteful number, since it uses less digits than its factorization.

16442673222065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15246440.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 16442673222065 in words is "sixteen trillion, four hundred forty-two billion, six hundred seventy-three million, two hundred twenty-two thousand, sixty-five".