16550043 has 8 divisors (see below), whose sum is σ = 22294608. Its totient is φ = 10919424.

The previous prime is 16549999. The next prime is 16550047. The reversal of 16550043 is 34005561.

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

It is not a de Polignac number, because 16550043 - 2⁹ = 16549531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16549995 and 16550022.

It is not an unprimeable number, because it can be changed into a prime (16550047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28146 + ... + 28727.

It is an arithmetic number, because the mean of its divisors is an integer number (2786826).

Almost surely, 2^16550043 is an apocalyptic number.

16550043 is a deficient number, since it is larger than the sum of its proper divisors (5744565).

16550043 is an equidigital number, since it uses as much as digits as its factorization.

16550043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56973.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 16550043 is about 4068.1744062909. The cubic root of 16550043 is about 254.8392835801.

The spelling of 16550043 in words is "sixteen million, five hundred fifty thousand, forty-three".