16672433 has 12 divisors (see below), whose sum is σ = 17445888. Its totient is φ = 15928920.

The previous prime is 16672423. The next prime is 16672441. The reversal of 16672433 is 33427661.

It is not a de Polignac number, because 16672433 - 2⁴ = 16672417 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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 16672433.

It is not an unprimeable number, because it can be changed into a prime (16672423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131216 + ... + 131342.

It is an arithmetic number, because the mean of its divisors is an integer number (1453824).

Almost surely, 2^16672433 is an apocalyptic number.

It is an amenable number.

16672433 is a deficient number, since it is larger than the sum of its proper divisors (773455).

16672433 is an equidigital number, since it uses as much as digits as its factorization.

16672433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 241 counting only the distinct ones).

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

The square root of 16672433 is about 4083.1890722816. The cubic root of 16672433 is about 255.4659327053.

The spelling of 16672433 in words is "sixteen million, six hundred seventy-two thousand, four hundred thirty-three".