16021112727 has 16 divisors (see below), whose sum is σ = 22637069280. Its totient is φ = 10060915200.

The previous prime is 16021112719. The next prime is 16021112729. The reversal of 16021112727 is 72721112061.

It is not a de Polignac number, because 16021112727 - 2³ = 16021112719 is a prime.

It is a super-2 number, since 2×16021112727² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16021112694 and 16021112703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021112729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2242174 + ... + 2249307.

It is an arithmetic number, because the mean of its divisors is an integer number (1414816830).

Almost surely, 2^16021112727 is an apocalyptic number.

16021112727 is a deficient number, since it is larger than the sum of its proper divisors (6615956553).

16021112727 is a wasteful number, since it uses less digits than its factorization.

16021112727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491554.

The product of its (nonzero) digits is 2352, while the sum is 30.

Adding to 16021112727 its reverse (72721112061), we get a palindrome (88742224788).

The spelling of 16021112727 in words is "sixteen billion, twenty-one million, one hundred twelve thousand, seven hundred twenty-seven".