16519481383552 has 768 divisors, whose sum is σ = 43839645696000. Its totient is φ = 6046149795840.

The previous prime is 16519481383543. The next prime is 16519481383583. The reversal of 16519481383552 is 25538318491561.

It is a super-2 number, since 2×16519481383552² (a number of 27 digits) contains 22 as substring.

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, 11230102177 + ... + 11230103647.

It is an arithmetic number, because the mean of its divisors is an integer number (57082872000).

Almost surely, 2^{16519481383552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16519481383552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21919822848000).

16519481383552 is an abundant number, since it is smaller than the sum of its proper divisors (27320164312448).

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

16519481383552 is a wasteful number, since it uses less digits than its factorization.

16519481383552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1594 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 61.

The spelling of 16519481383552 in words is "sixteen trillion, five hundred nineteen billion, four hundred eighty-one million, three hundred eighty-three thousand, five hundred fifty-two".