16551435222235 has 8 divisors (see below), whose sum is σ = 19882261799136. Its totient is φ = 13227455156160.

The previous prime is 16551435222187. The next prime is 16551435222239. The reversal of 16551435222235 is 53222253415561.

It is a happy number.

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

It is not a de Polignac number, because 16551435222235 - 2³⁹ = 16001679408347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16551435222239) 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, 1711622386 + ... + 1711632055.

It is an arithmetic number, because the mean of its divisors is an integer number (2485282724892).

Almost surely, 2^{16551435222235} is an apocalyptic number.

16551435222235 is a deficient number, since it is larger than the sum of its proper divisors (3330826576901).

16551435222235 is an equidigital number, since it uses as much as digits as its factorization.

16551435222235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423255413.

The product of its digits is 2160000, while the sum is 46.

Adding to 16551435222235 its reverse (53222253415561), we get a palindrome (69773688637796).

The spelling of 16551435222235 in words is "sixteen trillion, five hundred fifty-one billion, four hundred thirty-five million, two hundred twenty-two thousand, two hundred thirty-five".