16421500260 has 72 divisors (see below), whose sum is σ = 54340243776. Its totient is φ = 3980969280.

The previous prime is 16421500259. The next prime is 16421500309. The reversal of 16421500260 is 6200512461.

16421500260 is a `hidden beast` number, since 1 + 642 + 15 + 0 + 0 + 2 + 6 + 0 = 666.

16421500260 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 23 ways as a sum of consecutive naturals, for example, 4144864 + ... + 4148823.

It is an arithmetic number, because the mean of its divisors is an integer number (754725608).

Almost surely, 2^16421500260 is an apocalyptic number.

16421500260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16421500260 is an abundant number, since it is smaller than the sum of its proper divisors (37918743516).

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

16421500260 is a wasteful number, since it uses less digits than its factorization.

16421500260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293713 (or 8293708 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 16421500260 in words is "sixteen billion, four hundred twenty-one million, five hundred thousand, two hundred sixty".