16601071 has 4 divisors (see below), whose sum is σ = 16637544. Its totient is φ = 16564600.

The previous prime is 16601069. The next prime is 16601093. The reversal of 16601071 is 17010661.

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

It is a cyclic number.

It is not a de Polignac number, because 16601071 - 2¹ = 16601069 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16601051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17545 + ... + 18466.

It is an arithmetic number, because the mean of its divisors is an integer number (4159386).

Almost surely, 2^16601071 is an apocalyptic number.

16601071 is a deficient number, since it is larger than the sum of its proper divisors (36473).

16601071 is an equidigital number, since it uses as much as digits as its factorization.

16601071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36472.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 16601071 is about 4074.4411886785. The cubic root of 16601071 is about 255.1009263441.

The spelling of 16601071 in words is "sixteen million, six hundred one thousand, seventy-one".