66588106085412 has 24 divisors (see below), whose sum is σ = 155395475743200. Its totient is φ = 22192717046016.

The previous prime is 66588106085407. The next prime is 66588106085419. The reversal of 66588106085412 is 21458060188566.

It is not an unprimeable number, because it can be changed into a prime (66588106085419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414705862 + ... + 414866397.

It is an arithmetic number, because the mean of its divisors is an integer number (6474811489300).

Almost surely, 2^{66588106085412} is an apocalyptic number.

It is an amenable number.

66588106085412 is an abundant number, since it is smaller than the sum of its proper divisors (88807369657788).

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

66588106085412 is a wasteful number, since it uses less digits than its factorization.

66588106085412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829578955 (or 829578953 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 66588106085412 in words is "sixty-six trillion, five hundred eighty-eight billion, one hundred six million, eighty-five thousand, four hundred twelve".