16642267 has 8 divisors (see below), whose sum is σ = 17177216. Its totient is φ = 16111872.

The previous prime is 16642253. The next prime is 16642313. The reversal of 16642267 is 76224661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16642267 - 2⁷ = 16642139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16642217) 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 7 ways as a sum of consecutive naturals, for example, 7243 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (2147152).

Almost surely, 2^16642267 is an apocalyptic number.

16642267 is a deficient number, since it is larger than the sum of its proper divisors (534949).

16642267 is a wasteful number, since it uses less digits than its factorization.

16642267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277.

The product of its digits is 24192, while the sum is 34.

The square root of 16642267 is about 4079.4934734597. The cubic root of 16642267 is about 255.3117652879.

The spelling of 16642267 in words is "sixteen million, six hundred forty-two thousand, two hundred sixty-seven".