16021754494380 has 288 divisors, whose sum is σ = 50496067440000. Its totient is φ = 4108461502464.

The previous prime is 16021754494367. The next prime is 16021754494391. The reversal of 16021754494380 is 8349445712061.

16021754494380 is a `hidden beast` number, since 1 + 6 + 0 + 2 + 1 + 7 + 544 + 94 + 3 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1777622754 + ... + 1777631766.

It is an arithmetic number, because the mean of its divisors is an integer number (175333567500).

It is a 1-persistent number, because it is pandigital, but 2⋅16021754494380 = 32043508988760 is not.

Almost surely, 2^{16021754494380} is an apocalyptic number.

16021754494380 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 16021754494380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25248033720000).

16021754494380 is an abundant number, since it is smaller than the sum of its proper divisors (34474312945620).

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

16021754494380 is a wasteful number, since it uses less digits than its factorization.

16021754494380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12153 (or 12148 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 16021754494380 in words is "sixteen trillion, twenty-one billion, seven hundred fifty-four million, four hundred ninety-four thousand, three hundred eighty".