66655471002 has 8 divisors (see below), whose sum is σ = 133310942016. Its totient is φ = 22218490332.

The previous prime is 66655470997. The next prime is 66655471009. The reversal of 66655471002 is 20017455666.

It is a sphenic number, since it is the product of 3 distinct primes.

66655471002 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (66655471009) 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, 5554622578 + ... + 5554622589.

It is an arithmetic number, because the mean of its divisors is an integer number (16663867752).

Almost surely, 2^66655471002 is an apocalyptic number.

66655471002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66655471002 is a wasteful number, since it uses less digits than its factorization.

66655471002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109245172.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 66655471002 in words is "sixty-six billion, six hundred fifty-five million, four hundred seventy-one thousand, two".