16386085 has 4 divisors (see below), whose sum is σ = 19663308. Its totient is φ = 13108864.

The previous prime is 16386077. The next prime is 16386107. The reversal of 16386085 is 58068361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11950849 + 4435236 = 3457^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 16386085 - 2³ = 16386077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638604 + ... + 1638613.

It is an arithmetic number, because the mean of its divisors is an integer number (4915827).

Almost surely, 2^16386085 is an apocalyptic number.

It is an amenable number.

16386085 is a deficient number, since it is larger than the sum of its proper divisors (3277223).

16386085 is an equidigital number, since it uses as much as digits as its factorization.

16386085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277222.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 16386085 is about 4047.9729495144. The cubic root of 16386085 is about 253.9949417225.

The spelling of 16386085 in words is "sixteen million, three hundred eighty-six thousand, eighty-five".