16440623034127 has 4 divisors (see below), whose sum is σ = 16440633750400. Its totient is φ = 16440612317856.

The previous prime is 16440623034119. The next prime is 16440623034133. The reversal of 16440623034127 is 72143032604461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16440623034127 - 2³ = 16440623034119 is a prime.

It is a super-3 number, since 3×16440623034127³ (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 (16440623031127) 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, 2575002 + ... + 6285847.

It is an arithmetic number, because the mean of its divisors is an integer number (4110158437600).

Almost surely, 2^{16440623034127} is an apocalyptic number.

16440623034127 is a deficient number, since it is larger than the sum of its proper divisors (10716273).

16440623034127 is an equidigital number, since it uses as much as digits as its factorization.

16440623034127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716272.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 16440623034127 its reverse (72143032604461), we get a palindrome (88583655638588).

The spelling of 16440623034127 in words is "sixteen trillion, four hundred forty billion, six hundred twenty-three million, thirty-four thousand, one hundred twenty-seven".