16061605 has 16 divisors (see below), whose sum is σ = 22391424. Its totient is φ = 10831680.

The previous prime is 16061603. The next prime is 16061623. The reversal of 16061605 is 50616061.

16061605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16061605 - 2¹ = 16061603 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 16061605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627 + ... + 5896.

It is an arithmetic number, because the mean of its divisors is an integer number (1399464).

Almost surely, 2^16061605 is an apocalyptic number.

It is an amenable number.

16061605 is a deficient number, since it is larger than the sum of its proper divisors (6329819).

16061605 is an equidigital number, since it uses as much as digits as its factorization.

16061605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 16061605 is about 4007.6932267827. The cubic root of 16061605 is about 252.3072017777.

Adding to 16061605 its reverse (50616061), we get a palindrome (66677666).

It can be divided in two parts, 1 and 6061605, that added together give a palindrome (6061606).

The spelling of 16061605 in words is "sixteen million, sixty-one thousand, six hundred five".