16055643 has 4 divisors (see below), whose sum is σ = 21407528. Its totient is φ = 10703760.

The previous prime is 16055621. The next prime is 16055653. The reversal of 16055643 is 34655061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16055643 - 2¹² = 16051547 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 16055643.

It is not an unprimeable number, because it can be changed into a prime (16055653) 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, 2675938 + ... + 2675943.

It is an arithmetic number, because the mean of its divisors is an integer number (5351882).

Almost surely, 2^16055643 is an apocalyptic number.

16055643 is a deficient number, since it is larger than the sum of its proper divisors (5351885).

16055643 is an equidigital number, since it uses as much as digits as its factorization.

16055643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351884.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 16055643 is about 4006.9493383371. The cubic root of 16055643 is about 252.2759794580.

The spelling of 16055643 in words is "sixteen million, fifty-five thousand, six hundred forty-three".