66666666096 has 120 divisors (see below), whose sum is σ = 194757713280. Its totient is φ = 21263616000.

The previous prime is 66666665999. The next prime is 66666666097. The reversal of 66666666096 is 69066666666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66666666097) 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, 313396 + ... + 481196.

It is an arithmetic number, because the mean of its divisors is an integer number (1622980944).

Almost surely, 2^66666666096 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 66666666096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97378856640).

66666666096 is an abundant number, since it is smaller than the sum of its proper divisors (128091047184).

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

66666666096 is a wasteful number, since it uses less digits than its factorization.

66666666096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167935 (or 167926 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 63.

The spelling of 66666666096 in words is "sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, ninety-six".