66866800088 has 16 divisors (see below), whose sum is σ = 136773000360. Its totient is φ = 30394000000.

The previous prime is 66866800087. The next prime is 66866800097. The reversal of 66866800088 is 88000866866.

66866800088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66866800087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379924913 + ... + 379925088.

Almost surely, 2^66866800088 is an apocalyptic number.

It is an amenable number.

66866800088 is an abundant number, since it is smaller than the sum of its proper divisors (69906200272).

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

66866800088 is a wasteful number, since it uses less digits than its factorization.

66866800088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759850018 (or 759850014 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 66866800088 in words is "sixty-six billion, eight hundred sixty-six million, eight hundred thousand, eighty-eight".