16655423 has 2 divisors, whose sum is σ = 16655424. Its totient is φ = 16655422.

The previous prime is 16655417. The next prime is 16655447. The reversal of 16655423 is 32455661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16655423 - 2⁴ = 16655407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16655423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16655453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8327711 + 8327712.

It is an arithmetic number, because the mean of its divisors is an integer number (8327712).

Almost surely, 2^16655423 is an apocalyptic number.

16655423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16655423 is an equidigital number, since it uses as much as digits as its factorization.

16655423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 16655423 is about 4081.1056100033. The cubic root of 16655423 is about 255.3790236906.

The spelling of 16655423 in words is "sixteen million, six hundred fifty-five thousand, four hundred twenty-three".