16550343311 has 8 divisors (see below), whose sum is σ = 16620589104. Its totient is φ = 16480143360.

The previous prime is 16550343253. The next prime is 16550343347. The reversal of 16550343311 is 11334305561.

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

It is a cyclic number.

It is not a de Polignac number, because 16550343311 - 2²² = 16546149007 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 (16550343361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846401 + ... + 865733.

It is an arithmetic number, because the mean of its divisors is an integer number (2077573638).

Almost surely, 2^16550343311 is an apocalyptic number.

16550343311 is a deficient number, since it is larger than the sum of its proper divisors (70245793).

16550343311 is a wasteful number, since it uses less digits than its factorization.

16550343311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22921.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 16550343311 its reverse (11334305561), we get a palindrome (27884648872).

The spelling of 16550343311 in words is "sixteen billion, five hundred fifty million, three hundred forty-three thousand, three hundred eleven".