16170013 has 2 divisors, whose sum is σ = 16170014. Its totient is φ = 16170012.

The previous prime is 16170001. The next prime is 16170017. The reversal of 16170013 is 31007161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 5555449 = 3258^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 16170013 - 2¹⁷ = 16038941 is a prime.

It is a super-2 number, since 2×16170013² = 522938640840338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16170017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8085006 + 8085007.

It is an arithmetic number, because the mean of its divisors is an integer number (8085007).

Almost surely, 2^16170013 is an apocalyptic number.

It is an amenable number.

16170013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16170013 is an equidigital number, since it uses as much as digits as its factorization.

16170013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 16170013 is about 4021.1954690117. The cubic root of 16170013 is about 252.8735796091.

Adding to 16170013 its reverse (31007161), we get a palindrome (47177174).

The spelling of 16170013 in words is "sixteen million, one hundred seventy thousand, thirteen".