16021027 has 8 divisors (see below), whose sum is σ = 17633520. Its totient is φ = 14434560.

The previous prime is 16021013. The next prime is 16021039. The reversal of 16021027 is 72012061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16021027 - 2¹⁹ = 15496739 is a prime.

It is a super-2 number, since 2×16021027² = 513346612269458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16020995 and 16021013.

It is not an unprimeable number, because it can be changed into a prime (16021067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5202 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (2204190).

Almost surely, 2^16021027 is an apocalyptic number.

16021027 is a deficient number, since it is larger than the sum of its proper divisors (1612493).

16021027 is a wasteful number, since it uses less digits than its factorization.

16021027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 16021027 is about 4002.6275120226. The cubic root of 16021027 is about 252.0945464918.

Adding to 16021027 its reverse (72012061), we get a palindrome (88033088).

The spelling of 16021027 in words is "sixteen million, twenty-one thousand, twenty-seven".