16421486848 has 36 divisors (see below), whose sum is σ = 35300282668. Its totient is φ = 7579146240.

The previous prime is 16421486819. The next prime is 16421486897. The reversal of 16421486848 is 84868412461.

It can be written as a sum of positive squares in 2 ways, for example, as 4974198784 + 11447288064 = 70528^2 + 106992^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 16421486795 and 16421486804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463843 + ... + 2470498.

Almost surely, 2^16421486848 is an apocalyptic number.

It is an amenable number.

16421486848 is an abundant number, since it is smaller than the sum of its proper divisors (18878795820).

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

16421486848 is an equidigital number, since it uses as much as digits as its factorization.

16421486848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934370 (or 4934356 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 52.

The spelling of 16421486848 in words is "sixteen billion, four hundred twenty-one million, four hundred eighty-six thousand, eight hundred forty-eight".