16421450319360 has 200 divisors, whose sum is σ = 58816447064496. Its totient is φ = 4379053363200.

The previous prime is 16421450319359. The next prime is 16421450319401. The reversal of 16421450319360 is 6391305412461.

16421450319360 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 1 + 450 + 3 + 193 + 6 + 0 = 666.

16421450319360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39389116 + ... + 39803835.

Almost surely, 2^{16421450319360} is an apocalyptic number.

16421450319360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16421450319360 is an abundant number, since it is smaller than the sum of its proper divisors (42394996745136).

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

16421450319360 is an frugal number, since it uses more digits than its factorization.

16421450319360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79192986 (or 79192961 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 16421450319360 in words is "sixteen trillion, four hundred twenty-one billion, four hundred fifty million, three hundred nineteen thousand, three hundred sixty".