16203426456 has 128 divisors (see below), whose sum is σ = 48395059200. Its totient is φ = 4423386240.

The previous prime is 16203426413. The next prime is 16203426457. The reversal of 16203426456 is 65462430261.

16203426456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16203426457) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 391741 + ... + 431123.

It is an arithmetic number, because the mean of its divisors is an integer number (378086400).

Almost surely, 2^16203426456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16203426456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24197529600).

16203426456 is an abundant number, since it is smaller than the sum of its proper divisors (32191632744).

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

16203426456 is a wasteful number, since it uses less digits than its factorization.

16203426456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39509 (or 39505 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 16203426456 in words is "sixteen billion, two hundred three million, four hundred twenty-six thousand, four hundred fifty-six".