16065846720 has 1792 divisors, whose sum is σ = 78653030400. Its totient is φ = 2985984000.

The previous prime is 16065846707. The next prime is 16065846721. The reversal of 16065846720 is 2764856061.

16065846720 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 584 + 67 + 2 + 0 = 666.

It is a super-2 number, since 2×16065846720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065846721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 391849900 + ... + 391849940.

It is an arithmetic number, because the mean of its divisors is an integer number (43891200).

Almost surely, 2^16065846720 is an apocalyptic number.

16065846720 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 16065846720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39326515200).

16065846720 is an abundant number, since it is smaller than the sum of its proper divisors (62587183680).

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

16065846720 is a wasteful number, since it uses less digits than its factorization.

16065846720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 16065846720 in words is "sixteen billion, sixty-five million, eight hundred forty-six thousand, seven hundred twenty".