16550208343 has 4 divisors (see below), whose sum is σ = 17421271960. Its totient is φ = 15679144728.

The previous prime is 16550208341. The next prime is 16550208347. The reversal of 16550208343 is 34380205561.

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

It is a cyclic number.

It is not a de Polignac number, because 16550208343 - 2¹ = 16550208341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16550208341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435531780 + ... + 435531817.

It is an arithmetic number, because the mean of its divisors is an integer number (4355317990).

Almost surely, 2^16550208343 is an apocalyptic number.

16550208343 is a deficient number, since it is larger than the sum of its proper divisors (871063617).

16550208343 is an equidigital number, since it uses as much as digits as its factorization.

16550208343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871063616.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16550208343 in words is "sixteen billion, five hundred fifty million, two hundred eight thousand, three hundred forty-three".