16016013 has 12 divisors (see below), whose sum is σ = 24913980. Its totient is φ = 9855936.

The previous prime is 16016009. The next prime is 16016029. The reversal of 16016013 is 31061061.

16016013 is a `hidden beast` number, since 1 + 60 + 1 + 601 + 3 = 666.

16016013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 13638249 = 1542^2 + 3693^2 .

It is not a de Polignac number, because 16016013 - 2² = 16016009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16016053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68328 + ... + 68561.

It is an arithmetic number, because the mean of its divisors is an integer number (2076165).

Almost surely, 2^16016013 is an apocalyptic number.

16016013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16016013 is a deficient number, since it is larger than the sum of its proper divisors (8897967).

16016013 is a wasteful number, since it uses less digits than its factorization.

16016013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136908 (or 136905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 16016013 is about 4002.0011244376. The cubic root of 16016013 is about 252.0682449332.

Adding to 16016013 its reverse (31061061), we get a palindrome (47077074).

The spelling of 16016013 in words is "sixteen million, sixteen thousand, thirteen".