16534980334080 has 720 divisors, whose sum is σ = 64306201639680. Its totient is φ = 4070123126784.

The previous prime is 16534980334063. The next prime is 16534980334091. The reversal of 16534980334080 is 8043308943561.

16534980334080 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 498 + 0 + 33 + 40 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 105052881 + ... + 105210159.

It is an arithmetic number, because the mean of its divisors is an integer number (89314168944).

Almost surely, 2^{16534980334080} is an apocalyptic number.

16534980334080 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 16534980334080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32153100819840).

16534980334080 is an abundant number, since it is smaller than the sum of its proper divisors (47771221305600).

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

16534980334080 is an equidigital number, since it uses as much as digits as its factorization.

16534980334080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157343 (or 157302 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 16534980334080 in words is "sixteen trillion, five hundred thirty-four billion, nine hundred eighty million, three hundred thirty-four thousand, eighty".