16021017 has 16 divisors (see below), whose sum is σ = 24501760. Its totient is φ = 10335600.

The previous prime is 16021013. The next prime is 16021039. The reversal of 16021017 is 71012061.

It is not a de Polignac number, because 16021017 - 2² = 16021013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16021013) 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 15 ways as a sum of consecutive naturals, for example, 8734 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (1531360).

Almost surely, 2^16021017 is an apocalyptic number.

It is an amenable number.

16021017 is a deficient number, since it is larger than the sum of its proper divisors (8480743).

16021017 is a wasteful number, since it uses less digits than its factorization.

16021017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19181 (or 19175 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 16021017 is about 4002.6262628429. The cubic root of 16021017 is about 252.0944940410.

Adding to 16021017 its reverse (71012061), we get a palindrome (87033078).

The spelling of 16021017 in words is "sixteen million, twenty-one thousand, seventeen".