16413685 has 16 divisors (see below), whose sum is σ = 20155824. Its totient is φ = 12828672.

The previous prime is 16413673. The next prime is 16413707. The reversal of 16413685 is 58631461.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1737124 + 14676561 = 1318^2 + 3831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16413685 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16413685.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70329 + ... + 70561.

It is an arithmetic number, because the mean of its divisors is an integer number (1259739).

Almost surely, 2^16413685 is an apocalyptic number.

It is an amenable number.

16413685 is a deficient number, since it is larger than the sum of its proper divisors (3742139).

16413685 is a wasteful number, since it uses less digits than its factorization.

16413685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 17280, while the sum is 34.

The square root of 16413685 is about 4051.3806288721. The cubic root of 16413685 is about 254.1374676959.

The spelling of 16413685 in words is "sixteen million, four hundred thirteen thousand, six hundred eighty-five".