16517505042752 has 84 divisors (see below), whose sum is σ = 38143294035840. Its totient is φ = 7076139243264.

The previous prime is 16517505042739. The next prime is 16517505042823. The reversal of 16517505042752 is 25724050571561.

It is a self number, because there is not a number n which added to its sum of digits gives 16517505042752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6925073 + ... + 8999535.

It is an arithmetic number, because the mean of its divisors is an integer number (454086833760).

Almost surely, 2^{16517505042752} 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 16517505042752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19071647017920).

16517505042752 is an abundant number, since it is smaller than the sum of its proper divisors (21625788993088).

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

16517505042752 is a wasteful number, since it uses less digits than its factorization.

16517505042752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077028 (or 2077011 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 50.

The spelling of 16517505042752 in words is "sixteen trillion, five hundred seventeen billion, five hundred five million, forty-two thousand, seven hundred fifty-two".