16240066560 has 180 divisors, whose sum is σ = 56299735128. Its totient is φ = 4330487808.

The previous prime is 16240066559. The next prime is 16240066567. The reversal of 16240066560 is 6566004261.

It is a happy number.

16240066560 is a `hidden beast` number, since 16 + 24 + 0 + 0 + 66 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240066567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726267 + ... + 748293.

Almost surely, 2^16240066560 is an apocalyptic number.

16240066560 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 16240066560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28149867564).

16240066560 is an abundant number, since it is smaller than the sum of its proper divisors (40059668568).

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

16240066560 is an equidigital number, since it uses as much as digits as its factorization.

16240066560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066 (or 22037 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16240066560 in words is "sixteen billion, two hundred forty million, sixty-six thousand, five hundred sixty".