16421224060 has 24 divisors (see below), whose sum is σ = 35325659376. Its totient is φ = 6408282240.

The previous prime is 16421224051. The next prime is 16421224063. The reversal of 16421224060 is 6042212461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421224063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10012122 + ... + 10013761.

It is an arithmetic number, because the mean of its divisors is an integer number (1471902474).

Almost surely, 2^16421224060 is an apocalyptic number.

16421224060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16421224060 is an abundant number, since it is smaller than the sum of its proper divisors (18904435316).

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

16421224060 is a wasteful number, since it uses less digits than its factorization.

16421224060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025933 (or 20025931 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 16421224060 in words is "sixteen billion, four hundred twenty-one million, two hundred twenty-four thousand, sixty".