16243594560 has 168 divisors, whose sum is σ = 56008088136. Its totient is φ = 4321013760.

The previous prime is 16243594547. The next prime is 16243594621. The reversal of 16243594560 is 6549534261.

16243594560 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 3 + 594 + 56 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1780164864 + 14463429696 = 42192^2 + 120264^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1205782 + ... + 1219178.

It is an arithmetic number, because the mean of its divisors is an integer number (333381477).

Almost surely, 2^16243594560 is an apocalyptic number.

16243594560 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 16243594560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28004044068).

16243594560 is an abundant number, since it is smaller than the sum of its proper divisors (39764493576).

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

16243594560 is a wasteful number, since it uses less digits than its factorization.

16243594560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13841 (or 13828 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 16243594560 in words is "sixteen billion, two hundred forty-three million, five hundred ninety-four thousand, five hundred sixty".