66660924096 has 168 divisors, whose sum is σ = 207343119984. Its totient is φ = 20354181120.

The previous prime is 66660924067. The next prime is 66660924097. The reversal of 66660924096 is 69042906666.

It is a happy number.

66660924096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66660924097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946950 + ... + 1014906.

It is an arithmetic number, because the mean of its divisors is an integer number (1234185238).

Almost surely, 2^66660924096 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 66660924096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103671559992).

66660924096 is an abundant number, since it is smaller than the sum of its proper divisors (140682195888).

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

66660924096 is a wasteful number, since it uses less digits than its factorization.

66660924096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68119 (or 68106 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 66660924096 in words is "sixty-six billion, six hundred sixty million, nine hundred twenty-four thousand, ninety-six".