16113013 has 6 divisors (see below), whose sum is σ = 18743766. Its totient is φ = 13811112.

The previous prime is 16113001. The next prime is 16113017. The reversal of 16113013 is 31031161.

It can be written as a sum of positive squares in only one way, i.e., 13972644 + 2140369 = 3738^2 + 1463^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16113013 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 (16113017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164370 + ... + 164467.

It is an arithmetic number, because the mean of its divisors is an integer number (3123961).

Almost surely, 2^16113013 is an apocalyptic number.

It is an amenable number.

16113013 is a deficient number, since it is larger than the sum of its proper divisors (2630753).

16113013 is an equidigital number, since it uses as much as digits as its factorization.

16113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328851 (or 328844 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 16113013 is about 4014.1017675191. The cubic root of 16113013 is about 252.5760996648.

Adding to 16113013 its reverse (31031161), we get a palindrome (47144174).

It can be divided in two parts, 1611 and 3013, that added together give a square (4624 = 68²).

The spelling of 16113013 in words is "sixteen million, one hundred thirteen thousand, thirteen".