16442030272127 has 4 divisors (see below), whose sum is σ = 16667263563600. Its totient is φ = 16216796980656.

The previous prime is 16442030272121. The next prime is 16442030272139. The reversal of 16442030272127 is 72127203024461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16442030272127 - 2⁴ = 16442030272111 is a prime.

It is a super-3 number, since 3×16442030272127³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442030272121) 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, 112616645627 + ... + 112616645772.

It is an arithmetic number, because the mean of its divisors is an integer number (4166815890900).

Almost surely, 2^{16442030272127} is an apocalyptic number.

16442030272127 is a deficient number, since it is larger than the sum of its proper divisors (225233291473).

16442030272127 is an equidigital number, since it uses as much as digits as its factorization.

16442030272127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225233291472.

The product of its (nonzero) digits is 225792, while the sum is 41.

Adding to 16442030272127 its reverse (72127203024461), we get a palindrome (88569233296588).

The spelling of 16442030272127 in words is "sixteen trillion, four hundred forty-two billion, thirty million, two hundred seventy-two thousand, one hundred twenty-seven".