16353681909120 has 480 divisors, whose sum is σ = 61637586523920. Its totient is φ = 4131451754496.

The previous prime is 16353681908999. The next prime is 16353681909121. The reversal of 16353681909120 is 2190918635361.

16353681909120 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 368 + 190 + 91 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16353681909121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18277309 + ... + 19151171.

Almost surely, 2^{16353681909120} is an apocalyptic number.

16353681909120 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 16353681909120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30818793261960).

16353681909120 is an abundant number, since it is smaller than the sum of its proper divisors (45283904614800).

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

16353681909120 is an equidigital number, since it uses as much as digits as its factorization.

16353681909120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873932 (or 873892 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 16353681909120 in words is "sixteen trillion, three hundred fifty-three billion, six hundred eighty-one million, nine hundred nine thousand, one hundred twenty".