16532798737920 has 960 divisors, whose sum is σ = 56338878081024. Its totient is φ = 4130903162880.

The previous prime is 16532798737853. The next prime is 16532798737967. The reversal of 16532798737920 is 2973789723561.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

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, 105304450482 + ... + 105304450638.

Almost surely, 2^{16532798737920} is an apocalyptic number.

16532798737920 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 16532798737920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28169439040512).

16532798737920 is an abundant number, since it is smaller than the sum of its proper divisors (39806079343104).

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

16532798737920 is an equidigital number, since it uses as much as digits as its factorization.

16532798737920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 69.

The spelling of 16532798737920 in words is "sixteen trillion, five hundred thirty-two billion, seven hundred ninety-eight million, seven hundred thirty-seven thousand, nine hundred twenty".