16090013 has 4 divisors (see below), whose sum is σ = 16130940. Its totient is φ = 16049088.

The previous prime is 16090001. The next prime is 16090033. The reversal of 16090013 is 31009061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31009061 = 167 ⋅185683.

It can be written as a sum of positive squares in 2 ways, for example, as 13410244 + 2679769 = 3662^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 16090013 - 2²⁰ = 15041437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16090033) 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, 19868 + ... + 20661.

It is an arithmetic number, because the mean of its divisors is an integer number (4032735).

Almost surely, 2^16090013 is an apocalyptic number.

It is an amenable number.

16090013 is a deficient number, since it is larger than the sum of its proper divisors (40927).

16090013 is an equidigital number, since it uses as much as digits as its factorization.

16090013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40926.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 16090013 is about 4011.2358444749. The cubic root of 16090013 is about 252.4558652397.

Adding to 16090013 its reverse (31009061), we get a palindrome (47099074).

The spelling of 16090013 in words is "sixteen million, ninety thousand, thirteen".