16085997884880 has 1800 divisors, whose sum is σ = 71771479518816. Its totient is φ = 3340605058560.

The previous prime is 16085997884863. The next prime is 16085997884911. The reversal of 16085997884880 is 8848879958061.

16085997884880 is a `hidden beast` number, since 1 + 6 + 0 + 8 + 59 + 9 + 7 + 88 + 488 + 0 = 666.

It is a super-2 number, since 2×16085997884880² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 16085997884880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 9336039699 + ... + 9336041421.

Almost surely, 2^{16085997884880} is an apocalyptic number.

16085997884880 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 16085997884880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35885739759408).

16085997884880 is an abundant number, since it is smaller than the sum of its proper divisors (55685481633936).

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

16085997884880 is an equidigital number, since it uses as much as digits as its factorization.

16085997884880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 2229534720, while the sum is 81.

The spelling of 16085997884880 in words is "sixteen trillion, eighty-five billion, nine hundred ninety-seven million, eight hundred eighty-four thousand, eight hundred eighty".