16601073 has 4 divisors (see below), whose sum is σ = 22134768. Its totient is φ = 11067380.

The previous prime is 16601069. The next prime is 16601093. The reversal of 16601073 is 37010661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37010661 = 3 ⋅12336887.

It is a cyclic number.

It is not a de Polignac number, because 16601073 - 2² = 16601069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16601033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2766843 + ... + 2766848.

It is an arithmetic number, because the mean of its divisors is an integer number (5533692).

Almost surely, 2^16601073 is an apocalyptic number.

It is an amenable number.

16601073 is a deficient number, since it is larger than the sum of its proper divisors (5533695).

16601073 is an equidigital number, since it uses as much as digits as its factorization.

16601073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533694.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 16601073 is about 4074.4414341109. The cubic root of 16601073 is about 255.1009365885.

The spelling of 16601073 in words is "sixteen million, six hundred one thousand, seventy-three".