16550232426 has 96 divisors (see below), whose sum is σ = 44882248320. Its totient is φ = 4290890112.

The previous prime is 16550232409. The next prime is 16550232437. The reversal of 16550232426 is 62423205561.

16550232426 is a `hidden beast` number, since 165 + 50 + 23 + 2 + 426 = 666.

16550232426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11016 + ... + 182268.

It is an arithmetic number, because the mean of its divisors is an integer number (467523420).

Almost surely, 2^16550232426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16550232426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22441124160).

16550232426 is an abundant number, since it is smaller than the sum of its proper divisors (28332015894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16550232426 is a wasteful number, since it uses less digits than its factorization.

16550232426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171340 (or 171337 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 16550232426 its reverse (62423205561), we get a palindrome (78973437987).

The spelling of 16550232426 in words is "sixteen billion, five hundred fifty million, two hundred thirty-two thousand, four hundred twenty-six".