16527383897472 has 768 divisors, whose sum is σ = 59501332800000. Its totient is φ = 4559192967168.

The previous prime is 16527383897389. The next prime is 16527383897473. The reversal of 16527383897472 is 27479838372561.

16527383897472 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 7 + 38 + 38 + 97 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 16527383897472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16527383897473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309364779 + ... + 309418197.

It is an arithmetic number, because the mean of its divisors is an integer number (77475693750).

Almost surely, 2^{16527383897472} is an apocalyptic number.

16527383897472 is a gapful number since it is divisible by the number (12) 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 16527383897472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29750666400000).

16527383897472 is an abundant number, since it is smaller than the sum of its proper divisors (42973948902528).

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

16527383897472 is an frugal number, since it uses more digits than its factorization.

16527383897472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53498 (or 53460 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 16527383897472 in words is "sixteen trillion, five hundred twenty-seven billion, three hundred eighty-three million, eight hundred ninety-seven thousand, four hundred seventy-two".