66024616056 has 128 divisors (see below), whose sum is σ = 192736320000. Its totient is φ = 18840197376.

The previous prime is 66024616039. The next prime is 66024616081. The reversal of 66024616056 is 65061642066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 66024615999 and 66024616017.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7066620 + ... + 7075956.

It is an arithmetic number, because the mean of its divisors is an integer number (1505752500).

Almost surely, 2^66024616056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66024616056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96368160000).

66024616056 is an abundant number, since it is smaller than the sum of its proper divisors (126711703944).

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

66024616056 is a wasteful number, since it uses less digits than its factorization.

66024616056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 10208 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 66024616056 in words is "sixty-six billion, twenty-four million, six hundred sixteen thousand, fifty-six".