16063354736640 has 1664 divisors, whose sum is σ = 62395572879360. Its totient is φ = 3957264875520.

The previous prime is 16063354736633. The next prime is 16063354736641. The reversal of 16063354736640 is 4663745336061.

16063354736640 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 3 + 3 + 547 + 36 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16063354736641) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31935098629 + ... + 31935099131.

Almost surely, 2^{16063354736640} is an apocalyptic number.

16063354736640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16063354736640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31197786439680).

16063354736640 is an abundant number, since it is smaller than the sum of its proper divisors (46332218142720).

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

16063354736640 is an frugal number, since it uses more digits than its factorization.

16063354736640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 54.

The spelling of 16063354736640 in words is "sixteen trillion, sixty-three billion, three hundred fifty-four million, seven hundred thirty-six thousand, six hundred forty".