16021112717 has 4 divisors (see below), whose sum is σ = 16110616320. Its totient is φ = 15931609116.

The previous prime is 16021112713. The next prime is 16021112719. The reversal of 16021112717 is 71721112061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71721112061 = 397 ⋅180657713.

It is a cyclic number.

It is not a de Polignac number, because 16021112717 - 2² = 16021112713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16021112717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021112711) 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, 44751533 + ... + 44751890.

It is an arithmetic number, because the mean of its divisors is an integer number (4027654080).

Almost surely, 2^16021112717 is an apocalyptic number.

It is an amenable number.

16021112717 is a deficient number, since it is larger than the sum of its proper divisors (89503603).

16021112717 is an equidigital number, since it uses as much as digits as its factorization.

16021112717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89503602.

The product of its (nonzero) digits is 1176, while the sum is 29.

Adding to 16021112717 its reverse (71721112061), we get a palindrome (87742224778).

The spelling of 16021112717 in words is "sixteen billion, twenty-one million, one hundred twelve thousand, seven hundred seventeen".