16764233 has 4 divisors (see below), whose sum is σ = 17342340. Its totient is φ = 16186128.

The previous prime is 16764229. The next prime is 16764239. The reversal of 16764233 is 33246761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33246761 = 2069 ⋅16069.

It can be written as a sum of positive squares in 2 ways, for example, as 2866249 + 13897984 = 1693^2 + 3728^2 .

It is a cyclic number.

It is not a de Polignac number, because 16764233 - 2² = 16764229 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 16764233.

It is not an unprimeable number, because it can be changed into a prime (16764239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289010 + ... + 289067.

It is an arithmetic number, because the mean of its divisors is an integer number (4335585).

Almost surely, 2^16764233 is an apocalyptic number.

It is an amenable number.

16764233 is a deficient number, since it is larger than the sum of its proper divisors (578107).

16764233 is an equidigital number, since it uses as much as digits as its factorization.

16764233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578106.

The product of its digits is 18144, while the sum is 32.

The square root of 16764233 is about 4094.4148544084. The cubic root of 16764233 is about 255.9339480062.

The spelling of 16764233 in words is "sixteen million, seven hundred sixty-four thousand, two hundred thirty-three".